This is a powerful tool when doing iterative refined matches,
where another match is started inside the match callback of the first
one; this allows for example to find out whether the node was in
the condition or body of its parent if-statement.
llvm-svn: 174605
This is in preparation for adding other overloaded matchers. This change
alone is a net win in LOC.
I went through all matchers and looked whether we could now encode them
as macro, or simplify them with the matcher atoms that were not
available before.
llvm-svn: 174540
This is a text file with Markdown-ish formatting because we haven't decided
where analyzer internal documents should go, but it's probably better to
have this in source control than sitting on my local drive forever.
llvm-svn: 174398
We found that findAll has been implemented incorrectly multiple times
by various people using the matchers. To prevent further wasted
development effort, it makes sense to add it as convenience matcher
implemented as eachOf(m, forEachDescendant(m)).
This patch also updates the docs with the new matchers.
llvm-svn: 174320
implementation; this is much more inline with the original implementation
(i.e., pre-ubsan) and does not require run-time library support.
The trapping implementation can be invoked using either '-fcatch-undefined-behavior'
or '-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error', with the latter
being preferred. Eventually, the -fcatch-undefined-behavior' flag will be removed.
llvm-svn: 173848
This adds documentation for both LibFormat as well as the standalone
tools and integrations built on top of it. It slightly restructures
the ClangTools documentation.
llvm-svn: 172004
Clang doesn't understand it.
If someone wants to teach clang about that flag instead, please also add
support for -fno-diagnostics-parseable-fixits for consistency.
Until then, let the documentation match the current behavior.
llvm-svn: 171952
This fixes the URL permanence of that URL. This is a bit of a hack. See
the FIXME in the patch for what the "real" solution should be.
llvm-svn: 171795
This is just the output of sphinx-quickstart. Now all that is needed
to begin converting the analyzer docs to reST is the server-side setup.
The analyzer folks have asked me to keep this segregated from the other
clang docs since the analyzer is a logically separate project (and has
its own separate web page) even though it resides in the clang tree.
llvm-svn: 171425
Even though we do have a `.. warning::` directive on the page, hopefully
having "In-Progress" in the title will help to condition people's
expectations a bit for when they run into the extremely bare-bones
release notes.
Also, when release season comes around again, maybe this will get
people's attention and avoid confusion about what is going into the
upcoming release, and what is for changes to trunk for the next version.
llvm-svn: 171419
The way Sphinx treats the "top-level" adornments is weird. It usually
uses the first top-level adornment as the page title, even if the
top-level adornment is just one "section" out of many (i.e. if the first
section is "Introduction", then it will make the page title be
"Introduction"). This behavior can be overriden by using an explicit
`.. title::` directive to set the title.
Since the Sphinx stylesheet that Clang is currently using ('haiku')
nicely puts the document title at the top of the page in the header,
this weird default behavior was resulting in a redundant "title" in the
body content. Getting rid of this redundant level of headings
effectively "exposes" one more level of heading from the stylesheet to
which now makes the real "sections" more distinct.
llvm-svn: 171417
Language extensions are highly relevant to using clang as a compiler, so
move LanguageExtensions up into `Using Clang as a Compiler` on the
landing page.
The other documents from the now-gone `Language Extensions and Specs`
section on the landing page nicely fit hierarchically under
LanguageExtensions.rst, so put them under LanguageExtensions.rst's
toctree instead of on the landing page.
Impetus from Jordan Rose.
llvm-svn: 171409
Dmitri Gribenko