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2012-10-25When capturing 'this' in a lambda, make sure to update the set ofDouglas Gregor
array-index starting values for the 'this' capture. Fixes <rdar://problem/12426831>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166709 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15A little more lambda capture initialization diagnostics cleanupDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150589 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Introduce a new initialization entity for lambda captures, andDouglas Gregor
specialize location information and diagnostics for this entity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150588 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Make sure Sema creates a field for 'this' captures. (Doug, please ↵Eli Friedman
double-check that this is correct.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Remove the "unsupported" error for lambda expressions. It's annoying,Douglas Gregor
and rapidly becoming untrue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150165 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Implement capture-by-copy for arrays in lambdas.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09When we create a non-static data member in the closure object for aDouglas Gregor
capture, make sure we actually add the field. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Various interrelated cleanups for lambdas:Douglas Gregor
- Complete the lambda class when we finish the lambda expression (previously, it was left in the "being completed" state) - Actually return the LambdaExpr object and bind to the resulting temporary when needed. - Detect when cleanups are needed while capturing a variable into a lambda (e.g., due to default arguments in the copy constructor), and make sure those cleanups apply for the whole of the lambda expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07Introduce basic ASTs for lambda expressions. This covers:Douglas Gregor
- Capturing variables by-reference and by-copy within a lambda - The representation of lambda captures - The creation of the non-static data members in the lambda class that store the captured variables - The initialization of the non-static data members from the captured variables - Pretty-printing lambda expressions There are a number of FIXMEs, both explicit and implied, including: - Creating a field for a capture of 'this' - Improved diagnostics for initialization failures when capturing variables by copy - Dealing with temporaries created during said initialization - Template instantiation - AST (de-)serialization - Binding and returning the lambda expression; turning it into a proper temporary - Lots and lots of semantic constraints - Parameter pack captures git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149977 91177308-0d34-0410-b5e6-96231b3b80d8