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<html lang="en">
<head>
<title>ECB - the Emacs Code Browser</title>
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<meta name=description content="ECB - the Emacs Code Browser">
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<body>
<p>
Node:<a name="Semantic%20analyser">Semantic analyser</a>,
Next:<a rel=next accesskey=n href="Symboldefinition.html#Symboldefinition">Symboldefinition</a>,
Previous:<a rel=previous accesskey=p href="Add-on-interactors.html#Add-on%20interactors">Add-on interactors</a>,
Up:<a rel=up accesskey=u href="Add-on-interactors.html#Add-on%20interactors">Add-on interactors</a>
<hr><br>
<h4>Displaying the current semantic context</h4>
<p>The cedet-suite contains the <dfn>semantic analyzer</dfn> which is a
library tool that performs context analysis and can derive useful
information. See the related node in the info-manual of cedet/semantic
for more detailed informations about this tool.
<p>The analyzer output can be used through a special ECB-interactor. This
interface lists details about the analysis, such as the current
function, local arguments and variables, details on the prefix (the
symbol the cursor is on), and a list of all possible completions (see
<code>semantic-analyze-possible-completions</code> for more details about
completions available via the semantic-analyser).
<p>Per default the content of the analyser-interactor is automatically
synchronized and updated with current point of the current
source-buffer in the edit-area (see <code>ecb-window-sync</code> and
<a href="ECB-window-synchronizing.html#ECB-window%20synchronizing">ECB-window synchronizing</a>).
<p>The analyser-interactor is of type tree-buffer. See <a href="Tree-buffer-basics.html#Tree-buffer%20basics">Tree-buffer basics</a> for basic informations how to use such a tree-buffer.
<h5>Usage of the analyser-interactor</h5>
<ul>
<li>When a node-name in the "Context"-bucket is selected with the
primary mouse button (see <a href="Using-the-mouse.html#Using%20the%20mouse">Using the mouse</a>) or RETURN (see <a href="Using-the-keyboard.html#Using%20the%20keyboard">Using the keyboard</a>) the buffer in the edit-window (which one depends on the
setting in <code>ecb-mouse-click-destination</code>) will jump to the
related entry. For strongly typed languages, this means you will jump
to the definition of the variable, slot, or type definition.
<li>Clicking on a node-name in the "Context"-bucket with the secondary
mouse button or C-RETURN (see <a href="Usage-of-ECB.html#Usage%20of%20ECB">Usage of ECB</a>) will jump to the
related entry in another edit window - which one depends on the
setting in <code>ecb-mouse-click-destination</code>.
<li>If you click on a node-name in the "Completions"-bucket, then the text
that was recently analyzed will be replaced with the name of the tag
that was clicked on in the analyser-interactor.
<li>Right clicking with the mouse (or with the keyboard, see <a href="Using-popup-menus.html#Using%20popup-menus">Using popup-menus</a>) onto a tree-node opens a popup-menu which allows to
display additional (if available) informations to the current node.
<h5>Interactive commands of the analyser-interactor</h5>
<p>ECB offers the following commands for the analyser-interactor:
<ul>
<li><code>ecb-analyse-buffer-sync</code>
<li><code>ecb-goto-window-analyse</code>
<li><code>ecb-maximize-window-analyse</code>
</ul>
<p>See <a href="Interactive-ECB-commands.html#Interactive%20ECB%20commands">Interactive ECB commands</a> for details about these commands.
But you should not have any need to call
<code>ecb-analyse-buffer-sync</code> directly because ECB automatically
syncronizes the analyser-interactor with current active edit-buffer.
</ul>
<h5>Activating/Displaying the analyser-interactor</h5>
<p>Either use one of the predefined layouts "left-analyse" or
"leftright-analyse" (e.g. via <kbd>C-c . l c</kbd>) or create a new
ecb-layout via the command <code>ecb-create-new-layout</code> and add a
buffer of type "other" and name "analyse" into this new layout
(see <a href="Creating-a-new-ECB-layout.html#Creating%20a%20new%20ECB-layout">Creating a new ECB-layout</a>).
<h5>Customizing the analyser interactor</h5>
<p>See <a href="ecb-analyse.html#ecb-analyse">ecb-analyse</a> for a list of all options currently available
for customizing this interactor to your needs.
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