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
diff --git a/test/Parser/cxx0x-attributes.cpp b/test/Parser/cxx0x-attributes.cpp
index f65e290..0285ee1 100644
--- a/test/Parser/cxx0x-attributes.cpp
+++ b/test/Parser/cxx0x-attributes.cpp
@@ -17,7 +17,7 @@
int scope_attr [[foo::]]; // expected-error {{expected identifier}}
int & [[]] ref_attr = after_attr; // expected-error {{an attribute list cannot appear here}}
class foo {
- void after_const_attr () const [[]]; // expected-error {{expected expression}}
+ void after_const_attr () const [[]]; // expected-error {{expected body of lambda expression}} expected-error {{array has incomplete element type 'void'}}
};
extern "C++" [[]] { } // expected-error {{an attribute list cannot appear here}}
[[]] template <typename T> void before_template_attr (); // expected-error {{an attribute list cannot appear here}}
diff --git a/test/Parser/cxx0x-lambda-expressions.cpp b/test/Parser/cxx0x-lambda-expressions.cpp
new file mode 100644
index 0000000..54281e3
--- /dev/null
+++ b/test/Parser/cxx0x-lambda-expressions.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s
+
+class C {
+
+ int f() {
+ int foo, bar;
+
+ []; // expected-error {{expected body of lambda expression}}
+ [+] {}; // expected-error {{expected variable name or 'this' in lambda capture list}}
+ [foo+] {}; // expected-error {{expected ',' or ']' in lambda capture list}}
+ [foo,&this] {}; // expected-error {{'this' cannot be captured by reference}}
+ [&this] {}; // expected-error {{'this' cannot be captured by reference}}
+ [&,] {}; // expected-error {{ expected variable name or 'this' in lambda capture list}}
+ [=,] {}; // expected-error {{ expected variable name or 'this' in lambda capture list}}
+ [] {};
+ [=] (int i) {};
+ [&] (int) mutable -> void {};
+ [foo,bar] () { return 3; };
+ [=,&foo] () {};
+ [&,foo] () {};
+ [this] () {};
+
+ return 1;
+ }
+
+};
+
diff --git a/test/Parser/objc-messaging-neg-1.m b/test/Parser/objc-messaging-neg-1.m
index 4ddadb8..bb496e9 100644
--- a/test/Parser/objc-messaging-neg-1.m
+++ b/test/Parser/objc-messaging-neg-1.m
@@ -9,4 +9,5 @@
[a bla:0 6:7]; // expected-error {{expected ']'}}
[A foo bar]; // expected-error {{expected ':'}}
[A foo bar bar1]; // expected-error {{expected ':'}}
+ [] {}; // expected-error {{expected expression}}
}
diff --git a/test/Parser/objcxx-lambda-expressions-neg.mm b/test/Parser/objcxx-lambda-expressions-neg.mm
new file mode 100644
index 0000000..864cc6b
--- /dev/null
+++ b/test/Parser/objcxx-lambda-expressions-neg.mm
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+int main() {
+ []{}; // expected-error {{expected expression}}
+}
diff --git a/test/Parser/objcxx0x-lambda-expressions.mm b/test/Parser/objcxx0x-lambda-expressions.mm
new file mode 100644
index 0000000..d100e2e
--- /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] () {};
+ }
+
+};
+