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*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
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Summary:
referencing a user-defined operator new was triggering an assert in clang because we were
registering the function name as string "operator new", instead of using the special operator
enum, which clang has for this purpose. Method operators already had code to handle this, and now
I extend this to cover free standing operator functions as well. Test included.
Reviewers: spyffe
Subscribers: sivachandra, paulherman, lldb-commits
Differential Revision: http://reviews.llvm.org/D17856
llvm-svn: 278670
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m_decl_objects is problematic because it assumes that each VarDecl has a unique
variable associated with it. This is not the case in inline contexts.
Also the information in this map can be reconstructed very easily without
maintaining the map. The rest of the testsuite passes with this cange, and I've
added a testcase covering the inline contexts affected by this.
<rdar://problem/26278502>
llvm-svn: 270474
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llvm-svn: 270097
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In templated const functions, trying to run an expression would produce the
error
error: out-of-line definition of '$__lldb_expr' does not match any declaration
in 'foo' member declaration does not match because it is const qualified
error: 1 error parsing expression
which is no good. It turned out we don't actually need to worry about "const,"
we just need to be consistent about the declaration of the expression and the
FunctionDecl we inject into the class for "this."
Also added a test case.
<rdar://problem/24985958>
llvm-svn: 268083
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$__lldb_expr."
This reverts commit r267833 as it breaks the build. It looks like some work in progress got
committed together with the actual fix, but I'm not sure which one is which, so I'll revert the
whole patch and let author resumbit it after fixing the build error.
llvm-svn: 267861
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The code in ClangExpressionDeclMap::FindExternalVisibleDecls figures out what the token
means, and adds the namespace to the lookup context, but since it doesn't mark it as
special in the search context, we go on to pass the name $__lldb_local_vars to the ASTSource
for further lookup. Unless we've done our job wrong, those lookups will always fail, but
the can be costly.
So I added a bit to m_found & use that to short-circuit the lookup.
<rdar://problem/25613384>
llvm-svn: 267842
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In templated const functions, trying to run an expression would produce the
error
error: out-of-line definition of '$__lldb_expr' does not match any declaration in 'foo'
member declaration does not match because it is const qualified
error: 1 error parsing expression
which is no good. It turned out we don't actually need to worry about "const,"
we just need to be consistent about the declaration of the expression and the
FunctionDecl we inject into the class for "this."
Also added a test case.
<rdar://problem/24985958>
llvm-svn: 267833
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Persistent decls have traditionally only been types. However, we want to
be able to persist more things, like functions and global variables. This
changes some of the nomenclature and the lookup rules to make this possible.
<rdar://problem/22864976>
llvm-svn: 263864
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Silence a -Wreorder warning about order of member initialization and a
-Wqual-cast warning about casting away constness. NFC.
llvm-svn: 260868
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Since IRExecutionUnit is now capable of looking up symbols, and the JIT is up to
the task of generating the appropriate relocations, we don't need to do all the
work that IRForTarget used to do to fixup symbols at the IR level.
We also don't need to allocate data manually (with its attendant bugs) because
the JIT is capable of doing so without crashing.
We also don't need the awkward lldb.call.realName metadata to determine what
calls are objc_msgSend, because they now just reference objc_msgSend.
To make this work, we ensure that we recognize which symbols are extern "C" and
report them to the compiler as such. We also report the full Decl of functions
rather than just making up top-level functions with the appropriate types.
This should not break any testcases, but let me know if you run into any issues.
<rdar://problem/22864926>
llvm-svn: 260768
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Summary: This relands r259810 with fix for failures on Mac.
Reviewers: spyffe, tfiala
Subscribers: tfiala, lldb-commits
Differential Revision: http://reviews.llvm.org/D16900
llvm-svn: 259902
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Summary:
This reverts commit 8af14b5f9af68c31ac80945e5b5d56f0a14b38e4.
Reverting as it breaks a few tests on Mac.
Reviewers: spyffe
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D16895
llvm-svn: 259823
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Summary:
While evaluating expressions when stopped in a class method, there was a
problem of member variables hiding local variables. This was happening
because, in the context of a method, clang already knew about member
variables with their name and assumed that they were the only variables
with those names in scope. Consequently, clang never checks with LLDB
about the possibility of local variables with the same name and goes
wrong. This change addresses the problem by using an artificial
namespace "$__lldb_local_vars". All local variables in scope are
declared in the "$__lldb_expr" method as follows:
using $__lldb_local_vars::<local var 1>;
using $__lldb_local_vars::<local var 2>;
...
This hides the member variables with the same name and forces clang to
enquire about the variables which it thinks are declared in
$__lldb_local_vars. When LLDB notices that clang is enquiring about
variables in $__lldb_local_vars, it looks up local vars and conveys
their information if found. This way, member variables do not hide local
variables, leading to correct evaluation of expressions.
A point to keep in mind is that the above solution does not solve the
problem for one specific case:
namespace N
{
int a;
}
class A
{
public:
void Method();
int a;
};
void
A::Method()
{
using N::a;
...
// Since the above solution only touches locals, it does not
// force clang to enquire about "a" coming from namespace N.
}
Reviewers: clayborg, spyffe
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D16746
llvm-svn: 259810
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Summary:
This change is relevant for inferiors compiled with GCC. GCC does not
emit complete debug info for std::basic_string<...>, and consequently, Clang
(the LLDB compiler) does not generate correct mangled names for certain
functions.
This change removes the hard-coded alternate names in
ItaniumABILanguageRuntime.cpp.
Before the hard-coded names were put in ItaniumABILanguageRuntime.cpp, one could
not evaluate std::string methods (ex. std::string::length). After putting in
the hard-coded names, one could evaluate them. However, it did not still
enable one to call methods on, say for example, std::vector<string>.
This change makes that possible.
There is some amount of incompleteness in this change. Consider the
following example:
std::string hello("hello"), world("world");
std::map<std::string, std::string> m;
m[hello] = world;
One can still not evaluate the expression "m[hello]" in LLDB. Will
address this issue in another pass.
Reviewers: jingham, vharron, evgeny777, spyffe, dawn
Subscribers: clayborg, dawn, lldb-commits
Differential Revision: http://reviews.llvm.org/D12809
llvm-svn: 257113
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When multiple functions are found by name, lldb removes duplicate entries of
functions with the same type, so the first function in the symbol context list
is chosen, even if it isn't in scope. This patch uses the declaration context
of the execution context to select the function which is in scope.
This fixes cases like the following:
int func();
namespace ns {
int func();
void here() {
// Run to BP here and eval 'p func()';
// lldb used to find ::func(), now finds ns::func().
}
}
Reviewed by: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D15312
llvm-svn: 255439
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It used to be a unique pointer, and there could be a case where ClangASTSource
held onto a copy of the pointer but Target::Destroy destroyed the unique pointer
in the mean time.
I also ensured that there is a validity check on the target (which confirms that
a ClangASTImporter can be generated) before the target's shared pointer is
copied into ClangASTSource.
This race condition caused a crash if Target::Destroy was called and then later
the target objecct was deleted.
llvm-svn: 252665
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in DWARF as a member of a class, but it has a "this" parameter. Specifically,
*this needs to have the LLDB expression added as a method.
This fixes TestWithLimitDebugInfo.
llvm-svn: 251151
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The concept here is that languages may have different ways of communicating
results. In particular, languages may have different names for their result
variables and in fact may have multiple types of result variables (e.g.,
error results). Materializer was tied to one specific model of result handling.
Instead, now UserExpressions can register their own handlers for the result
variables they inject. This allows language-specific code in Materializer to
be moved into the expression parser plug-in, and it simplifies Materializer.
These delegates are subclasses of PersistentVariableDelegate.
PersistentVariableDelegate can provide the name of the result variable, and is
notified when the result variable is populated. It can also be used to touch
persistent variables if need be, updating language-specific state. The
UserExpression owns the delegate and can decide on its result based on
consulting all of its (potentially multiple) delegates.
The user expression itself now makes the determination of what the final result
of the expression is, rather than relying on the Materializer, and I've added a
virtual function to UserExpression to allow this.
llvm-svn: 249233
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The ClangExpressionVariable::CreateVariableInList functions looked cute, but
caused more confusion than they solved. I removed them, and instead made sure
that there are adequate facilities for easily adding newly-constructed
ExpressionVariables to lists.
I also made some of the constructors that are common be generic, so that it's
possible to construct expression variables from generic places (like the ABI and
ValueObject) without having to know the specifics about the class.
llvm-svn: 249095
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Also added some target-level search functions so that persistent variables and
symbols can be searched for without hand-iterating across the map of
TypeSystems.
llvm-svn: 249027
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the corresponding TypeSystem. This makes sense because what kind of data there
is -- and how it can be looked up -- depends on the language.
Functionality that is common to all type systems is factored out into
PersistentExpressionState.
llvm-svn: 248934
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There are still a bunch of dependencies on the plug-in, but this helps to
identify them.
There are also a few more bits we need to move (and abstract, for example the
ClangPersistentVariables).
llvm-svn: 248612
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