a423b7f1d7
This is the second part of the below RFC: https://discourse.llvm.org/t/rfc-handle-execution-results-in-clang-repl/68493 This patch implements a Value class that can be used to carry expression results in clang-repl. In other words, when we see a top expression without semi, it will be captured and stored to a Value object. You can explicitly specify where you want to store the object, like: ``` Value V; llvm::cantFail(Interp->ParseAndExecute("int x = 42;")); llvm::cantFail(Interp->ParseAndExecute("x", &V)); ``` `V` now stores some useful infomation about `x`, you can get its real value (42), it's `clang::QualType` or anything interesting. However, if you don't specify the optional argument, it will be captured to a local variable, and automatically called `Value::dump`, which is not implemented yet in this patch. Signed-off-by: Jun Zhang <jun@junz.org>
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