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<htmlxmlns="http://www.w3.org/1999/xhtml"><head><title>Checker (infer.IBase.Checker)</title><linkrel="stylesheet"href="../../../odoc.css"/><metacharset="utf-8"/><metaname="generator"content="odoc 1.5.2"/><metaname="viewport"content="width=device-width,initial-scale=1.0"/><scriptsrc="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><divclass="content"><header><nav><ahref="../index.html">Up</a>–<ahref="../../index.html">infer</a>»<ahref="../index.html">IBase</a>» Checker</nav><h1>Module <code>IBase.Checker</code></h1></header><dl><dtclass="spec type"id="type-t"><ahref="#type-t"class="anchor"></a><code><spanclass="keyword">type</span> t</code><code> = </code><tableclass="variant"><trid="type-t.AnnotationReachability"class="anchored"><tdclass="def constructor"><ahref="#type-t.AnnotationReachability"class="anchor"></a><code>| </code><code><spanclass="constructor">AnnotationReachability</span></code></td></tr><trid="type-t.Biabduction"class="anchored"><tdclass="def constructor"><ahref="#type-t.Biabduction"class="anchor"></a><code>| </code><code><spanclass="constructor">Biabduction</span></code></td></tr><trid="type-t.BufferOverrunAnalysis"class="anchored"><tdclass="def constructor"><ahref="#type-t.BufferOverrunAnalysis"class="anchor"></a><code>| </code><code><spanclass="constructor">BufferOverrunAnalysis</span></code></td></tr><trid="type-t.BufferOverrunChecker"class="anchored"><tdclass="def constructor"><ahref="#type-t.BufferOverrunChecker"class="anchor"></a><code>| </code><code><spanclass="constructor">BufferOverrunChecker</span></code></td></tr><trid="type-t.ConfigChecksBetweenMarkers"class="anchored"><tdclass="def constructor"><ahref="#type-t.ConfigChecksBetweenMarkers"class="anchor"></a><code>| </code><code><spanclass="constructor">ConfigChecksBetweenMarkers</span></code></td></tr><trid="type-t.ConfigImpactAnalysis"class="anchored"><tdclass="def constructor"><ahref="#type-t.ConfigImpactAnalysis"class="anchor"></a><code>| </code><code><spanclass="constructor">ConfigImpactAnalysis</span></code></td></tr><trid="type-t.Cost"class="anchored"><tdclass="def constructor"><ahref="#type-t.Cost"class="anchor"></a><code>| </code><code><spanclass="constructor">Cost</span></code></td></tr><trid="type-t.Eradicate"class="anchored"><tdclass="def constructor"><ahref="#type-t.Eradicate"class="anchor"></a><code>| </code><code><spanclass="constructor">Eradicate</span></code></td></tr><trid="type-t.FragmentRetainsView"class="anchored"><tdclass="def constructor"><ahref="#type-t.FragmentRetainsView"class="anchor"></a><code>| </code><code><spanclass="constructor">FragmentRetainsView</span></code></td></tr><trid="type-t.ImmutableCast"class="anchored"><tdclass="def constructor"><ahref="#type-t.ImmutableCast"class="anchor"></a><code>| </code><code><spanclass="constructor">ImmutableCast</span></code></td></tr><trid="type-t.Impurity"class="anchored"><tdclass="def constructor"><ahref="#type-t.Impurity"class="anchor"></a><code>| </code><code><spanclass="constructor">Impurity</span></code></td></tr><trid="type-t.InefficientKeysetIterator"class="anchored"><tdclass="def constructor"><ahref="#type-t.InefficientKeysetIterator"class="anchor"></a><code>| </code><code><spanclass="constructor">InefficientKeysetIterator</span></code></td></tr><trid="type-t.Linters"class="anchored"><tdclass="def constructor"><ahref="#type-t.Linters"class="anchor"></a><code>| </code><code><spanclass="constructor">Linters</span></code></td></tr><trid="type-t.LithoRequiredProps"class="anchored"><tdclass="def constructor"><ahref="#type-t.LithoRequiredProps"class="anchor"></a><code>| </code><code><spanclass="constructor">LithoRequiredProps</span></code></td></tr><trid="type-t.Liveness"class="anchored"><tdclass="def constructor"><ahref="#type-t.Liveness"class="anchor"></a><code>| </code><code><spanclass="constructor">Liveness</span></code></td></tr><trid="type-t.LoopHoisting"class="anchored"><tdclass="def constructor"><ahref="#type-t.LoopHoisting"class="anchor"></a><code>| </code><code><spanclass="constructor">LoopHoisting</span></code></td></tr><trid="type-t.NullsafeDeprecated"class="anchored"><tdclass="def constructor"><ahref="#type-t.NullsafeDeprecated"class="anchor"></a><code>| </code><code><spanclass="constructor">NullsafeDeprecated</span></code></td></tr><trid="type-t.PrintfArgs"class="anchored"><tdclass="def constructor"><ahref="#type-t.PrintfArgs"class="anchor"></a><code>| </code><code><spanclass="constructor">PrintfArgs</span></code></td></tr><trid="type-t.Pulse"class="anchored"><tdclass="def constructor"><ahref="#type-t.Pulse"class="anchor"></a><code>| </code><code><spanclass="constructor">Pulse</span></code></td></tr><trid="type-t.PurityAnalysis"class="anchored"><tdclass="def constructor"><ahref="#type-t.PurityAnalysis"class="anchor"></a><code>| </code><code><spanclass="constructor">PurityAnalysis</span></code></td></tr><trid="type-t.PurityChecker"class="anchored"><tdclass="def constructor"><ahref="#type-t.PurityChecker"class="anchor"></a><code>| </code><code><spanclass="constructor">PurityChecker</span></code></td></tr><trid="type-t.Quandary"class="anchored"><tdclass="def constructor"><ahref="#type-t.Quandary"class="anchor"></a><code>| </code><code><spanclass="constructor">Quandary</span></code></td></tr><trid="type-t.RacerD"class="anchored"><tdclass="def constructor"><ahref="#type-t.RacerD"class="anchor"></a><code>| </code><code><spanclass="constructor">RacerD</span></code></td></tr><trid="type-t.ResourceLeakLabExercise"class="anchored"><tdclass="def constructor"><ahref="#type-t.ResourceLeakLabExercise"class="anchor"></a><code>| </code><code><spanclass="constructor">ResourceLeakLabExercise</span></code></td></tr><trid="type-t.DOTNETResourceLeaks"class="anchored"><tdclass="def constructor"><ahref="#type-t.DOTNETResourceLeaks"class="anchor"></a><code>| </code><code><spanclass="constructor">DOTNETResourceLeaks</span></code></td></tr><trid="type-t.SIOF"class="anchored"><tdclass="def constructor"><ahref="#type-t.SIOF"class="anchor"></a><code>| </code><code><spanclass="constructor">SIOF</span></code></td></tr><trid="type-t.SelfInBlock"class="anchored"><tdclass="def constructor"><ahref="#type-t.SelfInBlock"class="anchor"></a><code>| </code><code><spanclass="constructor">SelfInBlock</span></code></td></tr><trid="type-t.Starvation"class="anchored"><tdclass="def constructor"><ahref="#type-t.Starvation"class="anchor"></a><code>| </code><code><spanclass="constructor">Starvation</span></code></td></tr><trid="type-t.Topl"class="anchored"><tdclass="def constructor"><ahref="#type-t.Topl"class="anchor"></a><code>| </code><code><spanclass="constructor">Topl</span></code></td></tr><trid="type-t.Uninit"class="anchored"><tdclass="def constructor"><ahref="#type-t.Uninit"class="anchor"></a><code>| </code><code><spanclass="constructor">Uninit</span></code></td></tr></table></dt></dl><div><divclass="spec include"><divclass="doc"><dl><dtclass="spec value"id="val-equal"><ahref="#val-equal"class="anchor"></a><code><spanclass="keyword">val</span> equal : <ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span> bool</code></dt><dtclass="spec value"id="val-all"><ahref="#val-all"class="anchor"></a><code><spanclass="keyword">val</span> all : <span><ahref="index.html#type-t">t</a> list</span></code></dt></dl></div></div></div><dl><dtclass="spec type"id="type-support"><ahref="#type-support"class="anchor"></a><code><spanclass="keyword">type</span> support</code><code> = </code><tableclass="variant"><trid="type-support.NoSupport"class="anchored"><tdclass="def constructor"><ahref="#type-support.NoSupport"class="anchor"></a><code>| </code><code><spanclass="constructor">NoSupport</span></code></td><tdclass="doc"><p>checker does not run at all for this language</p></td></tr><trid="type-support.ExperimentalSupport"class="anchored"><tdclass="def constructor"><ahref="#type-support.ExperimentalSupport"class="anchor"></a><code>| </code><code><spanclass="constructor">ExperimentalSupport</span></code></td><tdclass="doc"><p>checker runs but is not expected to give reasonable results</p></td></tr><trid="type-support.Support"class="anchored"><tdclass="def constructor"><ahref="#type-support.Support"class="anchor"></a><code>| </code><code><spanclass="constructor">Support</span></code></td><tdclass="doc"><p>checker is expected to give reasonable results</p></td></tr></table></dt><dd><p>per-language support for each checker</p></dd></dl><dl><dtclass="spec type"id="type-cli_flags"><ahref="#type-cli_flags"class="anchor"></a><code><spanclass="keyword">type</span> cli_flags</code><code> = </code><code>{</code><tableclass="record"><trid="type-cli_flags.deprecated"class="anchored"><tdclass="def field"><ahref="#type-cli_flags.deprecated"class="anchor"></a><code>deprecated : <span>string list</span>;</code></td><tdclass="doc"><p>More command-line flags, similar to <code>~deprecated</code> arguments in <ahref="../CommandLineOption/index.html"><code>CommandLineOption</code></a>.</p></td></tr><trid="type-cli_flags.show_in_help"class="anchored"><tdclass="def field"><ahref="#type-cli_flags.show_in_help"class="anchor"></a><code>show_in_help : bool;</code></td></tr></table><code>}</code></dt><dtclass="spec type"id="type-kind"><ahref="#type-kind"class="anchor"></a><code><spanclass="keyword">type</span> kind</code><code> = </code><tableclass="variant"><trid="type-kind.UserFacing"class="anchored"><tdclass="def constructor"><ahref="#type-kind.UserFacing"class="anchor"></a><code>| </code><code><spanclass="constructor">UserFacing</span><spanclass="keyword">of</span></code><code>{</code><tableclass="record"><trid="type-kind.title"class="anchored"><tdclass="def field"><ahref="#type-kind.title"class="anchor"></a><code>title : string;</code></td><tdclass="doc"><p>the title of the documentation web page</p></td></tr><trid="type-kind.markdown_body"class="anchored"><tdclass="def field"><ahref="#type-kind.markdown_body"class="anchor"></a><code>markdown_body : string;</code></td><tdclass="doc"><p>main text of the documentation</p></td></tr></table><code>}</code></td><tdclass="doc"><p>can report issues to users</p></td></tr><trid="type-kind.UserFacingDeprecated"class="anchored"><tdclass="def constructor"><ahref="#type-kind.UserFacingDeprecated"class="anchor"></a><code>| </code><code><spanclass="constructor">UserFacingDeprecated</span><spanclass="keyword">of</span></code><code>{</code><tableclass="record"><trid="type-kind.title"class="anchored"><tdclass="def field"><ahref="#type-kind.title"class="anchor"></a><code>title : string;</code></td><tdclass="doc"><p>the title of the documentation web page</p></td></tr><trid="type-kind.markdown_body"class="anchored"><tdclass="def field"><ahref="#type-kind.markdown_body"class="anchor"></a><code>markdown_body : string;</code></td><tdclass="doc"><p>main text of the documentation</p></td></tr><trid="type-kind.deprecation_message"class="anchored"><tdclass="def field"><ahref="#type-kind.deprecation_message"class="anchor"></a><code>deprecation_message : string;</code></td></tr></table><code>}</code></td><tdclass="doc"><p>can report issues to users but should probably be deleted from infer</p></td></tr><trid="type-kind.Internal"class="anchored"><tdclass="def constructor"><ahref="#type-kind.Internal"class="anchor"></a><code>| </code><code><spanclass="constructor">Internal</span></code></td><tdclass="doc"><p>Analysis that only serves other analyses. Do not use to mean experimental! Please still document experimental checkers as they will become non-experimental.</p></td></tr><trid="type-kind.Exercise"class="anchored"><tdclass="def constructor"><ahref="#type-kind.Exercise"class="anchor"></a><code>| </code><code><spanclass="constructor">Exercise</span></code></td><tdclass="doc"><p>reserved for the "resource leak" lab exercise</p></td></tr></table></dt><dtclass="spec type"id="type-config"><ahref="#type-config"class="anchor"></a><code><spanclass="keyword">type</span> config</code><code> = </code><code>{</code><tableclass="record"><trid="type-config.id"class="anchored"><tdclass="def field"><ahref="#type-config.id"class="anchor"></a><code>id : string;</code></td><tdclass="doc"><p>Unique identifier. Used to generate web URLs for the documentation as well as the flag to enable this option on the command line.</p></td></tr><trid="type-config.kind"class="anchored"><tdclass="def field"><ahref="#type-config.kind"class="anchor"></a><code>kind : <ahref="index.html#type-kind">kind</a>;</code></td></tr><trid="type-config.support"class="anchored"><tdclass="def field"><ahref="#type-config.support"class="anchor"></a><code>support : <ahref="../Language/index.html#type-t">Language.t</a><span>-></span><ahref="index.html#type-support">support</a>;</code></td></tr><trid="type-config.short_documentation"class="anchored"><tdclass="def field"><ahref="#type-config.short_documentation"class="anchor"></a><code>short_documentation : string;</code></td><tdclass="doc"><p>used in man pages and as a short intro on the website</p></td></tr><trid="type-config.cli_flags"class="anchored"><tdclass="def field"><ahref="#type-config.cli_flags"class="anchor"></a><code>cli_flags : <span><ahref="index.html#type-cli_flags">cli_flags</a> option</span>;</code></td><tdclass="doc"><p>If <code>None</code> then the checker cannot be enabled/disabled from the command line.</p></td></tr><trid="type-config.enabled_by_default"class="anchored"><tdclass="def field"><ahref="#type-config.enabled_by_default"class="anchor"></a><code>enabled_by_default : bool;</code></td></tr><trid="type-config.activates"class="anchored"><tdclass="def field"><ahref="#type-config.activates"class="anchor"></a><code>activates : <span><ahref="index.html#type-t">t</a> list</span>;</code></td><tdclass="doc"><p>list of checkers that get enabled when this checker is enabled</p></td></tr></table><code>}</code></dt></dl><dl><dtclass="spec value"id="val-config"><ahref="#val-config"class="anchor"></a><code><spanclass="keyword">val</span> config : <ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-config">config</a></code></dt><dtclass="spec value"id="val-get_id"><ahref="#val-get_id"class="anchor"></a><code><spanclass="keyword">val</span> get_id : <ahref="index.html#type-t">t</a><span>-></span> string</code></dt><dd><p><code>get_id c</code> is <code>(config c).id</code></p></dd></dl><dl><dtclass="spec value"id="val-from_id"><ahref="#val-from_id"class="anchor"></a><code><spanclass="keyword">val</span> from_id : string <span>-></span><span><ahref="index.html#type-t">t</a> option</span></code></dt></dl></div></body></html>
