7－editor.mht

这是著名的源码浏览工具（不仅仅浏览

      <P class=3DCellBody><A name=3DpgfId-1075859></A>file =
name</P></TD></TR>
  <TR>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075861></A><KBD =
class=3DCode>%l</KBD>=20
    </P></TD>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075863></A>line =
number</P></TD></TR>
  <TR>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075865></A><KBD =
class=3DCode>%c</KBD>=20
    </P></TD>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075867></A>column =
number</P></TD></TR>
  <TR>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075869></A><KBD =
class=3DCode>%d</KBD>=20
    </P></TD>
    <TD>
      <P class=3DCellBody><A name=3DpgfId-1075871></A>project=20
  directory</P></TD></TR></TBODY></TABLE>
<H5 class=3DHeading4><A name=3DpgfId-1075877></A><A =
name=3D28279></A>Common editor=20
configurations</H5>
<P class=3DBody><A name=3DpgfId-1075879></A><A =
name=3Dmarker-1075878></A>vi<BR>
<P class=3DBodyHang1>To invoke the vi editor, you must enter the =
following into=20
either the <SPAN class=3DBold>External Editor </SPAN>text box in the =
<SPAN=20
class=3DBold>Edit</SPAN> preferences tab or at the command line:</P>
<P class=3DBodyListFollow><A name=3DpgfId-1075880></A><KBD =
class=3DCode>xterm -T %f -e=20
vi +%l %f</KBD> </P>
<P class=3DBodyListFollow><A name=3DpgfId-1075881></A>The modifications =
you make and=20
save are stored in the database only after you quit vi.</P>
<P class=3DBody><A name=3DpgfId-1075888></A><A =
name=3Dmarker-1075887></A>Emacs<BR>
<P class=3DBodyHang1><SPAN class=3DBold>Starting a new Emacs =
session</SPAN>: To=20
start a new Emacs session whenever you view source code, enter <KBD=20
class=3DCode>emacs</KBD> or the name of the executable file of Emacs in =
either the=20
<SPAN class=3DBold>External Editor</SPAN> text box in the <SPAN =
class=3DBold>Edit=20
</SPAN>preferences tab or at the command line. For example, enter <KBD=20
class=3DCode>nemacs</KBD> or <KBD class=3DCode>xemacs</KBD>, without any =
parameters.=20
The string <KBD class=3DCode>emacs</KBD> must be found in the command if =
you want=20
the changes you make and save to be immediately stored in the database =
(without=20
terminating Emacs).</P>
<P class=3DBodyListFollow><A name=3DpgfId-1075892></A><SPAN =
class=3DBold>Using a=20
current Emacs session</SPAN>: For instructions on how to configure=20
Source-Navigator to communicate with a currently running Emacs session, =
see <A=20
class=3DXRef=20
href=3D"http://sourcenav.sourceforge.net/online-docs/userguide/editor.htm=
l#23830">Using=20
Emacs as your Editor</A>.</P>
<P class=3DBody><A name=3DpgfId-1099105></A>For information on =
customizing your key=20
bindings, see the <A class=3DXRef=20
href=3D"http://sourcenav.sourceforge.net/online-docs/progref/custom.html#=
14563">Customization</A>=20
chapter in the <STRONG class=3DBoldEmphasis>Programmer's Reference=20
Guide</STRONG>.</P>
<H2 class=3DHeading1><A name=3DpgfId-1075901></A><A =
name=3D23830></A>Using Emacs as=20
your Editor</H2>
<P class=3DBody><A name=3DpgfId-1075906></A>Source-Navigator supports =
GNU <A=20
name=3Dmarker-1075905></A>Emacs 19.34 and XEmacs 19.14; other versions =
may also=20
work, although these have not been tested.</P>
<P class=3DBody><A name=3DpgfId-1098578></A>When you use <A=20
name=3Dmarker-1098574></A>Emacs as your editor, Source-Navigator =
displays files in=20
an Emacs window. Whenever Emacs saves a file, Source-Navigator updates =
the=20
database. Multiple projects can share a single Emacs editing =
session.</P>
<P class=3DBody><A name=3DpgfId-1075921></A>You can use Emacs with =
Source-Navigator=20
in one of two ways: </P>
<UL>
  <LI class=3DBullet>
  <P class=3DBody><A name=3DpgfId-1075922></A>to start a new Emacs =
process whenever=20
  you make an edit request. </P>
  <LI class=3DBullet>
  <P class=3DBody><A name=3DpgfId-1075923></A>to communicate with an =
already running=20
  Emacs process. </P></LI></UL>
<H3 class=3DHeading2><A name=3DpgfId-1075925></A>To Start a New <A=20
name=3Dmarker-1075924></A>Emacs Process</H3>
<P class=3DBody><A name=3DpgfId-1075926></A>Enter <KBD =
class=3DCode>emacs</KBD> (or=20
the name of your program with the string <KBD class=3DCode>emacs</KBD>) =
in the=20
<SPAN class=3DBold>External Editor</SPAN> text box of the <SPAN=20
class=3DBold>Edit</SPAN> preferences tab.</P>
<H3 class=3DHeading2><A name=3DpgfId-1075928></A>To Communicate with an =
Already=20
Running <A name=3Dmarker-1075927></A>Emacs Process</H3>
<OL>
  <LI class=3DNumbered>
  <P class=3DBody><A name=3DpgfId-1075929></A>Modify your Emacs start-up =
file so=20
  that <KBD class=3DCode>gnuserv</KBD> utility, which is provided in =
your Emacs=20
  distribution, is loaded. This involves adding two lines to your Emacs =
start-up=20
  file (usually <KBD class=3DCode>~/.emacs</KBD>). You need to enter the =
full path=20
  to your Emacs directory:
  <P><KBD class=3DCode><A name=3DpgfId-1075930></A>(load "<KBD=20
  class=3DCodeVariant>&lt;path to emacs=20
  location&gt;</KBD>/lisp/gnuserv")<BR>(server-start)</KBD>=20
  <P><A name=3DpgfId-1098225></A>See your Emacs documentation for =
additional=20
  information.
  <P></P>
  <LI class=3DNumberedNext>
  <P class=3DBody><A name=3DpgfId-1098227></A>In the <SPAN =
class=3DBold>External=20
  Editor</SPAN> text box, set your editor to <KBD =
class=3DCode>gnuclient</KBD><A=20
  name=3Dmarker-1098226></A>.
  <P><A name=3DpgfId-1098231></A>When you start a new Emacs session,=20
  Source-Navigator can now request that the running Emacs session bring =
up files=20
  for editing. Source-Navigator also rescans the files when you finish =
editing.=20
  </P></LI></OL>
<H3 class=3DLabel><A name=3DpgfId-1075941></A>Note</H3>
<P class=3DNote><A name=3DpgfId-1098886></A>If you use <KBD =
class=3DCode>xemacs</KBD>,=20
the <KBD class=3DCode>gnuserv</KBD> package is included; see your XEmacs =

documentation for instructions on loading it.</P>
<P class=3DBody><A name=3DpgfId-1098890></A>Source-Navigator's search =
function=20
replaces the <KBD class=3DCode>find-tag</KBD> command (<KBD=20
class=3DCode>Meta-period</KBD>) when you search for a symbol. Because =
the other=20
tag commands are not yet available inside Source-Navigator, you need to =
use the=20
equivalent <KBD class=3DCode>emacs</KBD> <A =
name=3Dmarker-1098894></A>commands, if=20
available. </P>
<P class=3DBody><A name=3DpgfId-1098249></A></P>
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