Added assertions to flag when __FILE__ returns a relative path and fixed the LiveConstants demo

examples/Demo/Builds/VisualStudio2013/JuceDemo_App.vcxproj

@@ -76,6 +76,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -117,6 +118,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>

examples/Demo/Builds/VisualStudio2015/JuceDemo_App.vcxproj

@@ -78,6 +78,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -117,6 +118,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>

examples/Demo/Builds/VisualStudio2017/JuceDemo_App.vcxproj

@@ -78,6 +78,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -117,6 +118,7 @@
       <WarningLevel>Level4</WarningLevel>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/FC %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>

examples/Demo/JuceDemo.jucer

@@ -64,7 +64,7 @@
         <MODULEPATH id="juce_box2d" path="../../modules"/>
       </MODULEPATHS>
     </XCODE_IPHONE>
-    <VS2013 targetFolder="Builds/VisualStudio2013" bigIcon="BvyE0d">
+    <VS2013 targetFolder="Builds/VisualStudio2013" bigIcon="BvyE0d" extraCompilerFlags="/FC">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" winWarningLevel="4" generateManifest="1" winArchitecture="32-bit"
                        isDebug="1" optimisation="1" targetName="JuceDemo"/>
@@ -89,7 +89,7 @@
         <MODULEPATH id="juce_audio_basics" path="../../modules"/>
       </MODULEPATHS>
     </VS2013>
-    <VS2015 targetFolder="Builds/VisualStudio2015" bigIcon="BvyE0d">
+    <VS2015 targetFolder="Builds/VisualStudio2015" bigIcon="BvyE0d" extraCompilerFlags="/FC">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" winWarningLevel="4" generateManifest="1" winArchitecture="x64"
                        isDebug="1" optimisation="1" targetName="JuceDemo"/>
@@ -114,7 +114,8 @@
         <MODULEPATH id="juce_audio_basics" path="../../modules"/>
       </MODULEPATHS>
     </VS2015>
-    <VS2017 targetFolder="Builds/VisualStudio2017" smallIcon="" bigIcon="BvyE0d">
+    <VS2017 targetFolder="Builds/VisualStudio2017" smallIcon="" bigIcon="BvyE0d"
+            extraCompilerFlags="/FC">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" winWarningLevel="4" generateManifest="1" winArchitecture="x64"
                        isDebug="1" optimisation="1" targetName="JuceDemo"/>

modules/juce_events/messages/juce_ApplicationBase.cpp

@@ -69,7 +69,15 @@ void JUCEApplicationBase::sendUnhandledException (const std::exception* const e,
                                                   const int lineNumber)
 {
     if (JUCEApplicationBase* const app = JUCEApplicationBase::getInstance())
+    {
+        // If you hit this assertion then the __FILE__ macro is providing a
+        // relative path instead of an absolute path. On Windows this will be
+        // a path relative to the build directory rather than the currently
+        // running application. To fix this you must compile with the /FC flag.
+        jassert (File::isAbsolutePath (sourceFile));
+
         app->unhandledException (e, sourceFile, lineNumber);
+    }
 }
 
 //==============================================================================

modules/juce_gui_extra/misc/juce_LiveConstantEditor.h

@@ -238,6 +238,12 @@ namespace LiveConstantEditor
     template <typename Type>
     inline LiveValue<Type>& getValue (const char* file, int line, const Type& initialValue)
     {
+        // If you hit this assertion then the __FILE__ macro is providing a
+        // relative path instead of an absolute path. On Windows this will be
+        // a path relative to the build directory rather than the currently
+        // running application. To fix this you must compile with the /FC flag.
+        jassert (File::isAbsolutePath (file));
+
         return ValueList::getInstance()->getValue (file, line, initialValue);
     }