From: Chris Lattner <sabre@nondot.org>
Date: Tue, 18 Nov 2008 21:53:02 +0000 (+0000)
Subject: Allow diagnostics to be used in bool context, like:
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=95d1ba492c3191f49392e53acbf878e39fc8ba0a;p=clang

Allow diagnostics to be used in bool context, like:

return Diag(...);

when the function returns bool.  This always evaluates to true.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59555 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/Diagnostic.h b/include/clang/Basic/Diagnostic.h
index fb3e5953da..3edf990d24 100644
--- a/include/clang/Basic/Diagnostic.h
+++ b/include/clang/Basic/Diagnostic.h
@@ -243,6 +243,11 @@ public:
   const Diagnostic *getDiags() const { return DiagObj; }
   unsigned getID() const { return DiagID; }
   const FullSourceLoc &getLocation() const { return Loc; }
+  
+  /// Operator bool: conversion of DiagnosticInfo to bool always returns true.
+  /// This allows is to be used in boolean error contexts like:
+  /// return Diag(...);
+  operator bool() const { return true; }
 
   unsigned getNumArgs() const { return DiagObj->NumDiagArgs; }