Lambdas: semantic analysis of explicit captures.

This patch (and some of my other commits related to lambdas) is heavily based off of John Freeman's work-in-progress patches.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147706 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 37 insertions, 0 deletions

diff --git a/test/SemaCXX/lambda-expressions.cpp b/test/SemaCXX/lambda-expressions.cpp
new file mode 100644
index 0000000000..50d0d6deb8
--- /dev/null
+++ b/test/SemaCXX/lambda-expressions.cpp
@@ -0,0 +1,37 @@
+// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
+
+namespace ExplicitCapture {
+  int GlobalVar; // expected-note {{declared here}}
+
+  namespace N {
+    int AmbiguousVar; // expected-note {{candidate}}
+  }
+  int AmbiguousVar; // expected-note {{candidate}}
+  using namespace N;
+
+  class C {
+    int x;
+
+    void f(int);
+    void f() {
+      int foo;
+
+      [foo, foo] () {}; // expected-error {{'foo' can appear only once}} expected-error {{not supported yet}}
+      [this, this] () {}; // expected-error {{'this' can appear only once}} expected-error {{not supported yet}}
+      [=, foo] () {}; // expected-error {{'&' must precede a capture when}} expected-error {{not supported yet}}
+      [=, &foo] () {}; // expected-error {{not supported yet}}
+      [=, this] () {}; // expected-error {{'this' cannot appear}} expected-error {{not supported yet}}
+      [&, foo] () {}; // expected-error {{not supported yet}}
+      [&, &foo] () {}; // expected-error {{'&' cannot precede a capture when}} expected-error {{not supported yet}}
+      [&, this] () {}; // expected-error {{not supported yet}}
+      [&f] () {}; // expected-error {{does not name a variable}} expected-error {{not supported yet}}
+      [&GlobalVar] () {}; // expected-error {{does not have automatic storage duration}} expected-error {{not supported yet}}
+      [&AmbiguousVar] () {} // expected-error {{reference to 'AmbiguousVar' is ambiguous}} expected-error {{not supported yet}}
+      [&Globalvar] () {}; // expected-error {{use of undeclared identifier 'Globalvar'; did you mean 'GlobalVar}}
+    }
+  };
+
+  void f() {
+    [this] () {}; // expected-error {{invalid use of 'this'}} expected-error {{not supported yet}}
+  }
+}