Parsing of C++0x lambda expressions, from John Freeman with help from

David Blaikie!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136876 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 26 insertions, 0 deletions

diff --git a/test/Parser/objcxx0x-lambda-expressions.mm b/test/Parser/objcxx0x-lambda-expressions.mm
new file mode 100644
index 0000000000..d100e2e488
--- /dev/null
+++ b/test/Parser/objcxx0x-lambda-expressions.mm
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s
+
+class C {
+
+  void f() {
+    int foo, bar;
+
+    // fail to parse as a lambda introducer, so we get objc message parsing errors instead
+    [foo,+] {}; // expected-error {{expected expression}}
+
+    []; // expected-error {{expected body of lambda expression}}
+    [=,foo+] {}; // expected-error {{expected ',' or ']' in lambda capture list}}
+    [&this] {}; // expected-error {{address expression must be an lvalue}}
+    [] {};
+    [=] (int i) {};
+    [&] (int) mutable -> void {};
+    // FIXME: this error occurs because we do not yet handle lambda scopes
+    // properly. I did not anticipate it because I thought it was a semantic (not
+    // syntactic) check.
+    [foo,bar] () { return 3; }; // expected-error {{void function 'f' should not return a value}}
+    [=,&foo] () {};
+    [this] () {};
+  }
+
+};
+