Commit Graph

2 Commits

Author SHA1 Message Date
Pavel Labath
042c752691 Make TestTopLevelExprs more robust in face of linker GC
Summary:
This test was failing in various configurations on linux in a fairly
unpredictible way. The success depended on whether the c++ abi library
was linked in statically or not and how well was the linker able to
strip parts of it. This introduces additional code to the "dummmy" test
executable, which ensures that all parts of the library needed to
evaluate the expressions are always present.

Reviewers: clayborg

Subscribers: srhines, tatyana-krasnukha, davide, lldb-commits

Differential Revision: https://reviews.llvm.org/D39727

llvm-svn: 317678
2017-11-08 10:48:50 +00:00
Sean Callanan
863fab69a2 Expose top-level Clang expressions via the command line and the API.
Top-level Clang expressions are expressions that act as new translation units,
and define their own symbols.  They do not have function wrappers like regular
expressions do, and declarations are persistent regardless of use of the dollar
sign in identifiers.  Names defined by these are given priority over all other
symbol lookups.

This patch adds a new expression option, '-p' or '--top-level,' which controls
whether the expression is treated this way.  It also adds a flag controlling 
this to SBExpressionOptions so that this API is usable externally.  It also adds
a test that validates that this works.  (The test requires a fix to the Clang
AST importer which I will be committing shortly.)

<rdar://problem/22864976>

llvm-svn: 264662
2016-03-28 21:20:05 +00:00