| Commit message (Collapse) | Author | Age | Files | Lines |
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While CastXML cannot support the `gccxml()` attribute because Clang does
not define it, we can support the `annotate()` attribute that Clang
provides for arbitrary string annotations. This should fill the same
use case as the `gccxml()` attribute did for clients.
GitHub-Issue: 25
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Remove a stray line and fix a typo introduced by commit 5c8a1e73 (test:
Add infrastructure to run tests against real GNU compilers, 2015-02-24).
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If an error occurs during Driver::BuildCompilation then exit with
an error code immediately. This is important when an input file
is missing, for example.
GitHub-Issue: 23
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CastXML conditionally supports __float128 when asked to simulate a GNU
compiler that supports it. The type is available only on certain
architectures, so do not run the tests for __float128 if the GNU
compiler does not support it for the current architecture.
GitHub-Issue: 22
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Give the our __float128 struct an internal '__castxml' name so that it
can be identified during traversal of member lists. Do not report the
struct as a member of the translation unit since the typedef will be
generated as a FundamentalType directly. Also generate empty mangled=""
attributes for mangled names involving our __float128 struct since the
mangled names will not use the "g" that GCC would for the builtin type.
Add test cases that do not use --castxml-start. Verify that no test
case produces '__castxml' in its output to ensure we always hide such
internal details from the generated output.
GitHub-Issue: 18
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In gccxml one could input a comma-separated list for the starting
declarations to parse. Add support for this with tests for cases were a
comma-separated list is used, and for the case where --castxml-start is
used multiple times.
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If the command line contains an explicit '-target' option then do not
consider the target platform detected from any --castxml-cc-<id> option.
Instead simply honor the explicitly requested target. This will be
particularly helpful for targets that CastXML has not learned to detect.
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Add test cases for the changes in commit 3c777ef360 (Detect: Improve
target triple selection, 2015-04-16).
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An inline namespace affects the linkage of its members but for APIs
the members are effectively in the containing namespace. Generate
output as if they were really in the containing namespace and do
not generate a Namespace element for an inline namespace.
If --castxml-start names an inline namespace simply ignore it to avoid
dumping a Namespace element for it. One can argue this is valid since
the inline namespace should not normally be named in API usage.
Set our printing policy to avoid showing the inline namespace component
automatically. Note that expressions in the source code that hard-code
the inline namespace name will still be preserved and show the inline
namespace when printed (e.g. Variable init="" attribute expressions).
Suggested-by: Michka Popoff <michkapopoff@gmail.com>
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Be consistent with gccxml which did not generate the attribute.
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Previously our handling of cv-qualified types did not account for
multiple locally cv-qualified types encountered through multiple levels
of desugaring. This could lead to CvQualifiedType elements that
reference elements that are generated with a different id.
Refactor our internal representation of dump nodes to keep cv-qualifiers
in the node ids. Teach AddTypeDumpNode to collect cv-qualifiers from
each level of desugaring and compute their union. Once the desugared
unqualified type is found, generate one CvQualifiedType element for the
qualified type, if any.
Update the expected test output to account for the new ordering of
nodes. Mark the Class-template-constructor-template test case as no
longer broken because this approach fixes it. Add test cases covering
cv-qualifiers added at different layers of desugaring (via "T const"
where T is already a "const" type in a template instantiation).
GitHub-Issue: 10
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A FunctionType may be either FunctionProtoType or FunctionNoProtoType.
Check that runtime downcasts to FunctionProtoType succeed before using
them. For FunctionNoProtoType we will simply output the type "int()",
which is compatible with gccxml format (gccxml never lacked prototypes
because it always operates in C++ mode). In CastXML we can encounter
functions with no prototype in C++ modes when traversing Clang buildins.
GitHub-Issue: 1
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A namespace may be redeclared to add more members:
namespace ns { void f1(); }
namespace ns { void f2(); }
Fix our AST traversal to consider members from all redeclarations
of each namespace instead of only the canonical (first) one.
Previously we generated members from later redeclarations only
if they were referenced from other declarations we happened to
encounter.
Reported-by: Michka Popoff <michkapopoff@gmail.com>
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GNU compilers provide a __float128 builtin type on Intel architectures.
When simulating such GNU compiler preprocessing, define a __float128
type with the expected size and alignment in case the translation unit
references it.
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Find gcc and g++ tools on the local system to use for running
tests for simulating real compilers with --castxml-cc-gnu.
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We need implementation-provided headers to come from Clang to match what
is really built in to the parser. When not using --castxml-cc-<id>, the
Clang driver adds its builtin include directory in methods like
Linux::AddClangSystemIncludeArgs
MSVCToolChain::AddClangSystemIncludeArgs
CrossWindowsToolChain::AddClangSystemIncludeArgs
(see lib/Driver/*ToolChain*.cpp). When using --castxml-cc-<id>, we must
add the Clang builtin include dir in the appropriate place.
GNU-like compilers should have a builtin include directory too,
providing files like <emmintrin.h>. The Clang driver does not add this
directory from GCC toolchains and instead adds its own builtin include
directory. In this case, replace the detected compiler builtin include
directory with ours.
MSVC-like compilers have no separate builtin include directory. The
Clang driver simply places its own builtin include direcory before the
system include directory read from the INCLUDE environment variable. In
this case, do the same.
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The '-c' option is required to use castxml with ccache to tell ccache
that we are compiling rather than linking. In castxml we already ignore
the option when used with --castxml-gccxml, so add a test case to ensure
the behavior is preserved in the future.
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This helps make castxml usable with ccache. In its first pass, ccache
drops the -o and the output file from the command line and add the -E
option to get the preprocessed output. It does not now about
--castxml-gccxml, so castxml must not produce an error when the options
are used together. Instead make -E suppress --castxml-gccxml, much like
compilers do for -E and -c together.
Co-Author: Brad King <brad.king@kitware.com>
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Teach AddDumpNode to optionally report back the actual QualType that it
selects after possibly unwrapping some layers of indirection in the
Clang AST. Use this in GetTypeIdRef so that we check this actual
QualType's cv qualifiers instead of the original QualType. Otherwise
we may generate a dangling reference to the id number that is replaced
by a CvQualifiedType id.
Fix the expected output of existing test cases that exhibit this problem
and add a new test case designed to cover the behavior explicitly.
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Use clang::Sema::PerformPendingInstantiations before we attempt to add
implicit member definitions so any real errors show up first. Then set
SuppressAllDiagnostics to suppress errors caused by the following.
Iterate over all members of one class at a time in order of completion
of class definition (bases before derived classes). Force definition of
each member using clang::Sema::MarkFunctionReferenced followed by
another call to clang::Sema::PerformPendingInstantiations to ensure that
members formed by implicitly instantiated templates are completed.
Clang will mark any failed declaration as invalid, allowing us to
exclude it from the output. This works both for implicit and explicit
members.
Update the test suite to mark test cases that are no longer 'broken'.
According to discussion on the Clang cfe-commits mailing list:
[PATCH] Add DiagnosticSuppressionScope RAII class
http://thread.gmane.org/gmane.comp.compilers.clang.scm/110832/focus=111112
this approach may depend on non-guaranteed behavior. By iterating over
members in order of class definition, we mark any bad special members
invalid in base classes so that when Clang processes those in derived
classes the invalid members are only one "step" away. Hopefully this
behavior will be easier to preserve if Clang changes in the future.
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Rename 'c++1y' to 'c++14'.
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Create dummy gnu-like and msvc-like compiler binaries. Use them with
the --castxml-cc-<id> options to verify that the preprocessor
definitions and include directories are detected as expected.
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Add to Function-like and FunctionType elements an attributes=""
attribute for the calling convention as gccxml does.
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Report a file id "f0" named "<builtin>" for declarations that are
generated by the compiler and have no reference location in the source.
Add a test case covering the MSVC builtin "size_t" typedef.
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Teach AddDeclContextMembers to recurse on LinkageSpecDecl members.
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Since gccxml format does not support uninstantiated templates we must
not output any partial specializations either. Skip class template
partial specializations when traversing context members. Desugar
non-dependent typedef members of class template partial specializations.
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Improve support for -std=c++11 with --castxml-gccxml by dropping all
functions and class methods whose signature contains a rvalue reference.
This subsumes the previous check for implicit move constructors and
implicit move assignment operators and extends it to explicitly written
declarations too.
Add test cases to verify that such declarations are excluded from the
output.
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We need as parsers to support Visual Studio system header files
that contain inline assembly.
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Parsing standard library headers in Visual Studio 11 and above requires
Clang to use -std=c++11 because the headers use C++11 constructs. While
gccxml output format does not support these constructs, it is still
useful to be able to output interfaces from C++98 project code while
tolerating C++11 constructs in system headers.
Drop the rejection of -std=c++11 and --castxml-gccxml together. Teach
our ASTVisitor::AddDumpNode method to skip deleted member functions,
implicit move constructors, and implicit move assignment operators.
This should avoid encountering any C++11 constructs that are not written
explicitly in the translation unit.
Extend the test suite to run all gccxml output format tests in both
-std=c++98 and -std=c++11 mode to verify the behavior of the two modes
is as close as possible. Tweak the Class-implicit-members expected
output to tolerate the empty throw specification missing in C++11 mode.
Add a RValueReferenceType test to verify that the gccxml-format output
contains an Unimplemented element for the rvalue-reference type.
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Factor out macros to add tests by individual language standard from
those that cover a group of language standards.
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Name files "gccxml.<std>.<test>.(stdout|stderr|result|xml).txt" where
"<std>" is either the language standard or "any" if the result works for
any standard.
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Teach test/run.cmake to loop over a list of possible expected result
names. This will allow tests results to be specialized in certain
cases without duplicating common results.
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Pass just the standard name and hard-code '-std=' in the implementation.
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When a function template (or member of a class template) is instantiated
by an implicit class member definition, Clang delays the instantiation
for later handling by clang::Sema::PerformPendingInstantiations during
clang::Sema::ActOnEndOfTranslationUnit. If the instantiation causes
errors they are not suppressed because our clang::Sema::SFINAETrap has
gone out of scope.
Even if we could keep a clang::Sema::SFINAETrap in scope, the
clang::Sema::InstantiatingTemplate::Initialize method sets
sema.InNonInstantiationSFINAEContext to false and adds an entry to
sema.ActiveTemplateInstantiations. This prevents the
clang::Sema::EmitCurrentDiagnostic call to isSFINAEContext from
returning a valid SFINAE context, so errors are still not suppressed.
Add a test case demonstrating this known failure, and mark it as
"broken". This will require changes to Clang to fix.
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Clang creates an "EmptyDecl" for a stray semicolon. Ignore it.
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Also pass the flag through so Clang reports its help too.
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Avoid requiring the option to be last by using the form
--castxml-cc-<id> "(" <cc> <cc-opt>... ")"
to specify compiler commands with arguments.
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The gccxml output format has no representation for extern "C"
declaration contexts, so simply report the enclosing namespace.
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The gccxml output format does not support uninstantiated templates
so we need to skip friend declarations referencing them.
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Use the castxml "-o" option to place the test output in a .xml file
named for the test instead of the input file. This allows multiple
tests to share the same input file base name and still run in parallel
without conflict.
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Clang generates a distinct TemplateSpecializationType for each
appearance of A<T> for some template A<>. They are all sugar for an
underlying RecordType. While they all share the same canonical type,
LValueReferenceType instances that refer to them are also distinct and
do not share the same canonical type because each has a different
pointee type.
Add tests demonstrating cases where this causes duplicate ReferenceType
elements to be generated. Mark them as "broken" and add a note in the
expected output that matches nothing but documents the problem.
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Since gccxml does not output uninstantiated templates we must desugar
typedef types that would refer to declarations whose context is a
template. This is consistent with gccxml behavior.
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Clang presents non-inline class members in the list of declarations in
a namespace. Teach PrintMembersAttribute to skip declarations whose
actual context is not the context that listed them.
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Implement the HandleTagDeclDefinition method in our ASTConsumer. Clang
calls this method during parsing on completion of each class definition.
This gives us a chance to modify class definitions.
Teach HandleTagDeclDefinition to add the implicit member declarations.
For each implicit member, ask Clang to try instantiating its definition
to see if a call to the member will actually work. Suppress errors
during this check using a clang::Sema::SFINAETrap and simply mark
the declaration as invalid if there were errors.
Add test cases for:
* implicit members that cannot be used due to access, const data members,
or reference data members.
* a POD array data member since Clang uses special logic when creating
implicit members that copy the data.
* a mutable data member since Clang adds implicit member declarations
itself (via clang::Sema::AddImplicitlyDeclaredMembersToClass),
but we still need to try defining them.
* a class that uses its implicit members so they are already defined.
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When a typedef is "moded" the underlying type may be different from the
named type. Report the real type.
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