[cfe-commits] r60359 - in /cfe/trunk: include/clang/Basic/DiagnosticKinds.def lib/Parse/ParseDeclCXX.cpp test/SemaCXX/ms-exception-spec.cpp

[Douglas Gregor]

Author: dgregor
Date: Mon Dec  1 12:00:20 2008
New Revision: 60359

URL: http://llvm.org/viewvc/llvm-project?rev=60359&view=rev
Log:
Parse the exception-specification throw(...), a Microsoft extension

Added:
    cfe/trunk/test/SemaCXX/ms-exception-spec.cpp
Modified:
    cfe/trunk/include/clang/Basic/DiagnosticKinds.def
    cfe/trunk/lib/Parse/ParseDeclCXX.cpp

Modified: cfe/trunk/include/clang/Basic/DiagnosticKinds.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticKinds.def?rev=60359&r1=60358&r2=60359&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticKinds.def (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticKinds.def Mon Dec  1 12:00:20 2008
@@ -587,6 +587,8 @@
      "parentheses were disambiguated as a function declarator")
 DIAG(err_expected_member_or_base_name, ERROR,
      "expected class member or base class name")
+DIAG(ext_ellipsis_exception_spec, EXTENSION,
+     "exception specification of '...' is a Microsoft extension")
 
 // Language specific pragmas
 

Modified: cfe/trunk/lib/Parse/ParseDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDeclCXX.cpp?rev=60359&r1=60358&r2=60359&view=diff

==============================================================================
--- cfe/trunk/lib/Parse/ParseDeclCXX.cpp (original)
+++ cfe/trunk/lib/Parse/ParseDeclCXX.cpp Mon Dec  1 12:00:20 2008
@@ -763,12 +763,13 @@
 /// ParseExceptionSpecification - Parse a C++ exception-specification
 /// (C++ [except.spec]).
 ///
-///    exception-specification:
-///      'throw' '(' type-id-list [opt] ')'
+///       exception-specification:
+///         'throw' '(' type-id-list [opt] ')'
+/// [MS]    'throw' '(' '...' ')'
 ///      
-///    type-id-list:
-///      type-id
-///      type-id-list ',' type-id
+///       type-id-list:
+///         type-id
+///         type-id-list ',' type-id
 ///
 bool Parser::ParseExceptionSpecification() {
   assert(Tok.is(tok::kw_throw) && "expected throw");
@@ -780,6 +781,16 @@
   }
   SourceLocation LParenLoc = ConsumeParen();
 
+  // Parse throw(...), a Microsoft extension that means "this function
+  // can throw anything".
+  if (Tok.is(tok::ellipsis)) {
+    SourceLocation EllipsisLoc = ConsumeToken();
+    if (!getLang().Microsoft)
+      Diag(EllipsisLoc, diag::ext_ellipsis_exception_spec);
+    SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc);
+    return false;
+  }
+
   // Parse the sequence of type-ids.
   while (Tok.isNot(tok::r_paren)) {
     ParseTypeName();

Added: cfe/trunk/test/SemaCXX/ms-exception-spec.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/ms-exception-spec.cpp?rev=60359&view=auto

==============================================================================
--- cfe/trunk/test/SemaCXX/ms-exception-spec.cpp (added)
+++ cfe/trunk/test/SemaCXX/ms-exception-spec.cpp Mon Dec  1 12:00:20 2008
@@ -0,0 +1,3 @@
+// RUN: clang %s -fsyntax-only -verify -fms-extensions
+
+void f() throw(...) { }