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Add %rename matching docs and improvements

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Add in %$isusing macro for %rename.
Improve docs for %$not and notmatch.
This commit is contained in:
William S Fulton 2022-02-23 19:38:23 +00:00
commit 546062fdf1
2 changed files with 26 additions and 1 deletions
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22
Doc/Manual/SWIG.html
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@ -2147,11 +2147,15 @@ the match to class declarations only (in C++) and <tt>match="enumitem"</tt>
restricts it to the enum elements. SWIG also provides convenience macros for restricts it to the enum elements. SWIG also provides convenience macros for
such match expressions, for example such match expressions, for example
</p> </p>
<div class="code"> <div class="code">
<pre> <pre>
%rename("%(title)s", %$isenumitem) ""; %rename("%(title)s", %$isenumitem) "";
// same as:
%rename("%(title)s", match="enumitem") "";
</pre> </pre>
</div> </div>
<p> <p>
will capitalize the names of all the enum elements but not change the case of will capitalize the names of all the enum elements but not change the case of
the other declarations. Similarly, <tt>%$isclass</tt>, <tt>%$isfunction</tt>, the other declarations. Similarly, <tt>%$isclass</tt>, <tt>%$isfunction</tt>,
@ -2161,6 +2165,24 @@ documentation is not exhaustive, see the "%rename predicates" section in
<tt>swig.swg</tt> for the full list of supported match expressions. <tt>swig.swg</tt> for the full list of supported match expressions.
</p> </p>
<p>
A logical not is also possible by using <tt>notmatch</tt>.
For example, <tt>notmatch="enumitem"</tt> will restrict the
match to all items that are not enum elements.
There is also a <tt>%$not</tt> macro which simply expands to "not".
Be careful using this as some of the other macros in <tt>swig.swg</tt>
are complex expressions and so it will only "notmatch" the first part
of the expression.
</p>
<div class="code">
<pre>
%rename("%(title)s", %$not %$isenumitem) "";
// same as:
%rename("%(title)s", notmatch="enumitem") "";
</pre>
</div>
<p> <p>
In addition to literally matching some string with <tt>match</tt> you can In addition to literally matching some string with <tt>match</tt> you can
also use <tt>regexmatch</tt> or <tt>notregexmatch</tt> to match a string also use <tt>regexmatch</tt> or <tt>notregexmatch</tt> to match a string

5
Lib/swig.swg
View file

@ -268,7 +268,9 @@ static int NAME(TYPE x) {
*/ */
%define %$not "not" %enddef /* Note that when %$not is used with another macro, say %enum as follows: %$not %$enum, the result is "notmatch=enum" */
%define %$not "not" %enddef
%define %$isenum "match"="enum" %enddef %define %$isenum "match"="enum" %enddef
%define %$isenumitem "match"="enumitem" %enddef %define %$isenumitem "match"="enumitem" %enddef
%define %$isaccess "match"="access" %enddef %define %$isaccess "match"="access" %enddef
@ -279,6 +281,7 @@ static int NAME(TYPE x) {
%define %$isnamespace "match"="namespace" %enddef %define %$isnamespace "match"="namespace" %enddef
%define %$istemplate "match"="template" %enddef %define %$istemplate "match"="template" %enddef
%define %$isconstant "match"="constant" %enddef /* %constant definition */ %define %$isconstant "match"="constant" %enddef /* %constant definition */
%define %$isusing "match"="using" %enddef
%define %$isunion "match$kind"="union" %enddef %define %$isunion "match$kind"="union" %enddef
%define %$isfunction "match$kind"="function" %enddef %define %$isfunction "match$kind"="function" %enddef