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Simplify the definition of the "entry" concept #2499

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Apr 18, 2017
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Simplify the definition of the "entry" concept #2499

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Simplify the definition of the "entry" concept
domenic Apr 3, 2017
41501d7
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domenic Apr 3, 2017
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21 changes: 8 additions & 13 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -87443,9 +87443,6 @@ interface <dfn>NavigatorOnLine</dfn> {

<ol>

<li><p>Increment <var>settings</var>'s <span>realm execution context</span>'s <span>entrance
counter</span> by one.</p></li>

<li><p>Push <var>settings</var>'s <span>realm execution context</span> onto the <span>JavaScript
execution context stack</span>; it is now the <span>running JavaScript execution
context</span>.</p></li>
Expand All @@ -87463,9 +87460,6 @@ interface <dfn>NavigatorOnLine</dfn> {
<li><p>Remove <var>settings</var>'s <span>realm execution context</span> from the
<span>JavaScript execution context stack</span>.</p></li>

<li><p>Decrement <var>settings</var>'s <span>realm execution context</span>'s <span>entrance
counter</span> by one.</p></li>

<li><p>If the <span>JavaScript execution context stack</span> is now empty, <span>perform a
microtask checkpoint</span>. (If this runs scripts, these algorithms will be invoked
reentrantly.)</p></li>
Expand Down Expand Up @@ -87692,15 +87686,15 @@ interface <dfn>NavigatorOnLine</dfn> {

<h6>Entry</h6>

<p>All <span data-x="realm execution context">realm execution contexts</span> must contain, as
part of their code evaluation state, an <dfn>entrance counter</dfn> value, which is initially
zero. In the process of <a href="#calling-scripts">calling scripts</a>, this value will be
incremented and decremented.</p>
<p>The process of <a href="#calling-scripts">calling scripts</a> will push or pop <span
data-x="realm execution context">realm execution contexts</span> onto the <span>JavaScript
execution context stack</span>, interspersed with other <span data-x="JavaScript execution
context">execution contexts</span>.</p>

<p>With this in hand, we define the <dfn>entry execution context</dfn> to be the most recently
pushed entry in the <span>JavaScript execution context stack</span> whose <span>entrance
counter</span> value is greater than zero. The <dfn data-x="concept-entry-realm">entry Realm</dfn>
is the <span>entry execution context</span>'s Realm component.</p>
pushed item in the <span>JavaScript execution context stack</span> that is a <span data-x="realm
execution context">realm execution context</span>. The <dfn data-x="concept-entry-realm">entry
Realm</dfn> is the <span>entry execution context</span>'s Realm component.</p>

<p>Then, the <dfn>entry settings object</dfn> is the <span
data-x="concept-realm-settings-object">environment settings object</span> of the <span
Expand Down Expand Up @@ -120075,6 +120069,7 @@ INSERT INTERFACES HERE
Jens Fendler,
Jens Lindstr&ouml;m,
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"Jens Lindström" used to be me, before I got married. Might make sense to remove this entry, now that my new name was added to the list.

Jens Oliver Meiert,
Jens Widell,
Jer Noble,
Jeremey Hustman,
Jeremy Keith,
Expand Down