Implement parser support for the 'condition' part of C++ selection-statements and iteration-statements (if/switch/while/for).

Add new 'ActOnCXXConditionDeclarationExpr' action, called when the 'condition' is a declaration instead of an expression.

llvm-svn: 56007

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/test/Parser/cxx-condition.cpp b/clang/test/Parser/cxx-condition.cpp
new file mode 100644
index 00000000000..ccb77671731
--- /dev/null
+++ b/clang/test/Parser/cxx-condition.cpp
@@ -0,0 +1,11 @@
+// RUN: clang -parse-noop %s -verify

+

+void f() {

+  int a;

+  while (a) ;

+  while (int x) ; // expected-error {{expected '=' after declarator}}

+  while (float x = 0) ;

+  if (const int x = a) ;

+  switch (int x = a+10) {}

+  for (; int x = ++a; ) ;

+}