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This applies the same trick for Lua that I did for python in
27b6a4e63afe.
Differential Revision: https://reviews.llvm.org/D150624
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StructuredDataImpl ownership semantics is unclear at best. Various
structures were holding a non-owning pointer to it, with a comment that
the object is owned somewhere else. From what I was able to gather that
"somewhere else" was the SBStructuredData object, but I am not sure that
all created object eventually made its way there. (It wouldn't matter
even if they did, as we are leaking most of our SBStructuredData
objects.)
Since StructuredDataImpl is just a collection of two (shared) pointers,
there's really no point in elaborate lifetime management, so this patch
replaces all StructuredDataImpl pointers with actual objects or
unique_ptrs to it. This makes it much easier to resolve SBStructuredData
leaks in a follow-up patch.
Differential Revision: https://reviews.llvm.org/D114791
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This is the lua equivalent of 9a14adeae0.
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Add support for Lua scripted watchpoints, with basic tests.
Differential Revision: https://reviews.llvm.org/D105034
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Adds support for running a Lua function when a breakpoint is hit.
Example:
breakpoint command add -s lua -F abc
The above runs the Lua function 'abc' passing 2 arguments. 'frame', 'bp_loc' and 'extra_args'.
A third parameter 'extra_args' is only present when there is structured data
declared in the command line.
Example:
breakpoint command add -s lua -F abc -k foo -v bar
Differential Revision: https://reviews.llvm.org/D93649
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These callbacks are set using the following:
breakpoint command add -s lua -o "print('hello world!')"
The user supplied script is executed as:
function (frame, bp_loc, ...)
<body>
end
So the local variables 'frame', 'bp_loc' and vararg are all accessible.
Any global variables declared will persist in the Lua interpreter.
A user should never hold 'frame' and 'bp_loc' in a global variable as
these userdatas are context dependent.
Differential Revision: https://reviews.llvm.org/D91508
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This patch uses SWIG to generate the Lua bindings for the SB API. It
covers most of the API, but some methods require a type map similar to
Python.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2019-December/015812.html
Differential revision: https://reviews.llvm.org/D71235
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This implements a very elementary Lua script interpreter. It supports
running a single command as well as running interactively. It uses
editline if available. It's still missing a bunch of stuff though. Some
things that I intentionally ingored for now are that I/O isn't properly
hooked up (so every print goes to stdout) and the non-editline support
which is not handling a bunch of corner cases. The latter is a matter of
reusing existing code in the Python interpreter.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2019-December/015812.html
Differential revision: https://reviews.llvm.org/D71234
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