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* Make explicit captures which cause implicit captures work correctly.Eli Friedman2012-02-031-2/+5
| | | | llvm-svn: 149719
* Implement implicit capture for lambda expressions.Eli Friedman2012-02-031-1/+37
| | | | | | Still left: explicit captures in lambdas need to cause implicit capture, and I need to take a look at the diagnostics for some cases. llvm-svn: 149718
* Introduce the lambda scope before determining explicit captures, whichDouglas Gregor2012-02-011-4/+4
| | | | | | | | | | | | | cleans up and improves a few things: - We get rid of the ugly dance of computing all of the captures in data structures that clone those of CapturingScopeInfo, centralizing the logic for accessing/updating these data structures - We re-use the existing capture logic for 'this', which actually works now. Cleaned up some diagnostic wording in minor ways as well. llvm-svn: 149516
* Improve checking of explicit captures in a C++11 lambda expression:Douglas Gregor2012-02-011-27/+3
| | | | | | | | | | | | | | - Actually building the var -> capture mapping properly (there was an off-by-one error) - Keeping track of the source location of each capture - Minor QoI improvements, e.g, highlighing the prior capture if there are multiple captures, pointing at the variable declaration we found if we reject it. As part of this, add standard citations for the various semantic checks we perform, and note where we're not performing those checks as we should. llvm-svn: 149462
* Add an additional testcase for a lambda with implicit void return type.Eli Friedman2012-01-261-0/+1
| | | | llvm-svn: 149034
* Refactor to share code for handling return statements between lambda ↵Eli Friedman2012-01-261-0/+13
| | | | | | expressions and block literals. As it turns out, almost all the logic can be shared. llvm-svn: 149031
* More lambda work: semantic analysis of capturing 'this'. It's a bit ↵Eli Friedman2012-01-071-4/+21
| | | | | | complicated, but we have to be careful about when exactly captures are marked given PotentiallyPotentiallyEvaluated contexts. (Actually, it's not 100% correct yet, but it's close enough for the moment.) llvm-svn: 147723
* Lambdas: semantic analysis of explicit captures.Eli Friedman2012-01-071-0/+37
This patch (and some of my other commits related to lambdas) is heavily based off of John Freeman's work-in-progress patches. llvm-svn: 147706
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