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10 Commits

Author SHA1 Message Date
Pavel Labath
9101881e58 [Demangle] remove itaniumFindTypesInMangledName
Summary:
This (very specialized) function was added to enable an LLDB use case.
Now that a more generic interface (overriding of parser functions -
D52992)  is available, and LLDB has been converted to use that (D54074),
the function is unused and can be removed.

Reviewers: erik.pilkington, sgraenitz, rsmith

Subscribers: mgorny, hiraditya, christof, libcxx-commits, llvm-commits

Differential Revision: https://reviews.llvm.org/D54893

llvm-svn: 347670
2018-11-27 16:11:24 +00:00
Pavel Labath
40a9c9b0f9 Port libcxxabi r344607 into llvm
Summary:
The original commit message was:
    This uses CRTP (for performance reasons) to allow a user the override
    demangler functions to implement custom parsing logic. The motivation
    for this is LLDB, which needs to occasionaly modify the mangled names.
    One such instance is already implemented via the TypeCallback member,
    but this is very specific functionality which does not help with any
    other use case. Currently we have a use case for modifying the
    constructor flavours, which would require adding another callback. This
    approach does not scale.

    With CRTP, the user (LLDB) can override any function it needs without
    any special support from the demangler library. After LLDB is ported to
    use this instead of the TypeCallback mechanism, the callback can be
    removed.

The only difference here is the addition of a unit test which exercises
the CRTP mechanism to override a function in the parser.

Reviewers: erik.pilkington, rsmith, EricWF

Subscribers: mgorny, kristina, llvm-commits

Differential Revision: https://reviews.llvm.org/D53300

llvm-svn: 344703
2018-10-17 18:50:25 +00:00
Erik Pilkington
7554bd46a4 Attempt to fix some MSVC build errors.
llvm-svn: 339587
2018-08-13 17:39:19 +00:00
Erik Pilkington
232c833f56 [itanium demangler] Add llvm::itaniumFindTypesInMangledName()
This function calls a callback whenever a <type> is parsed.

This is necessary to implement FindAlternateFunctionManglings in LLDB, which
uses a similar hack in FastDemangle. Once that function has been updated to use
this version, FastDemangle can finally be removed.

Differential revision: https://reviews.llvm.org/D50586

llvm-svn: 339580
2018-08-13 16:37:47 +00:00
Stefan Granitz
9037e135ea [Demangle] Add another test for ItaniumPartialDemangler
Summary: Show the behavior of print operations in the ItaniumPartialDemangler. It's a summary of what the current integration in LLDB assumes. For new users this may be a useful example.

Reviewers: erik.pilkington

Subscribers: llvm-commits, lldb-commits

Differential Revision: https://reviews.llvm.org/D50473

llvm-svn: 339297
2018-08-08 22:38:23 +00:00
Fangrui Song
5dc51f1232 [demangler] Add ItaniumPartialDemangler::isCtorOrDtor
Reviewers: erik.pilkington, ruiu, echristo, pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D47248

llvm-svn: 333159
2018-05-24 06:57:57 +00:00
Nico Weber
614f75cd49 Inline a few CMake variables into their only uses.
No behavior change. Makes unittests CMakeLists.txt files more self-consistent.

llvm-svn: 332280
2018-05-14 19:23:31 +00:00
Erik Pilkington
da90ea4792 Fix another bot failure from r329951.
llvm-svn: 329986
2018-04-13 02:53:26 +00:00
Erik Pilkington
1d3c67668c Free a pointer, fix a bot.
llvm-svn: 329969
2018-04-12 22:54:47 +00:00
Erik Pilkington
0491f0a0a5 [demangler] Add a partial demangling API for LLDB.
This parses a mangled name into an AST (typically an intermediate stage in
itaniumDemangle) and provides some functions to query certain properties or
print certain parts of the demangled name.

Differential revision: https://reviews.llvm.org/D44668

llvm-svn: 329951
2018-04-12 20:41:38 +00:00