Updated to remove most of the warnings in Visual Studio. (There's still the one about all control paths returning a value left.) Fixed one warning (when an istream converts to void * to then convert to bool), and disabled three.

CMakeLists.txt

@@ -13,6 +13,11 @@ if(CMAKE_COMPILER_IS_GNUCC)
   set(CMAKE_CXX_FLAGS "-O2 -Wall -Wextra -pedantic -Wno-long-long ${CMAKE_CXX_FLAGS}")
 endif(CMAKE_COMPILER_IS_GNUCC)
 
+if(MSVC)
+  set(LIB_TYPE) # I can't figure out how CMake handles Windows shared libraries
+  set(CMAKE_CXX_FLAGS "/W3 /wd4127 /wd4355 /D_SCL_SECURE_NO_WARNINGS ${CMAKE_CXX_FLAGS}")
+endif(MSVC)
+
 set(YAML_CPP_VERSION_MAJOR "0")
 set(YAML_CPP_VERSION_MINOR "2")
 set(YAML_CPP_VERSION_PATCH "4")

include/conversion.h

@@ -23,7 +23,8 @@ namespace YAML
 	inline bool Convert(const std::string& input, T& output, typename enable_if<is_numeric<T> >::type * = 0) {
 		std::stringstream stream(input);
 		stream.unsetf(std::ios::dec);
-		return stream >> output;
+		stream >> output;
+		return !!stream;
 	}
 }
 

include/node.h

@@ -20,7 +20,7 @@ namespace YAML
 	class Content;
 	class Scanner;
 	class Emitter;
-	class ParserState;
+	struct ParserState;
 
 	enum CONTENT_TYPE { CT_NONE, CT_SCALAR, CT_SEQUENCE, CT_MAP };
 

include/nodereadimpl.h

@@ -52,9 +52,10 @@ namespace YAML
 		int operator,(flag, flag);
 		
 		template<typename T>
-		void operator,(flag, T const&);
+		char operator,(flag, T const&);
 		
 		char operator,(int, flag);
+		int operator,(char, flag);
 	}
 
 	template <typename T>

include/parser.h

@@ -15,7 +15,7 @@
 namespace YAML
 {
 	class Scanner;
-	class ParserState;
+	struct ParserState;
 	struct Token;
 
 	class Parser: private noncopyable

parse.vcproj

@@ -39,6 +39,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				AdditionalOptions="/D_SCL_SECURE_NO_WARNINGS"
 				Optimization="0"
 				AdditionalIncludeDirectories="include"
 				MinimalRebuild="true"
@@ -46,6 +47,7 @@
 				RuntimeLibrary="3"
 				WarningLevel="3"
 				DebugInformationFormat="4"
+				DisableSpecificWarnings="4127;4355"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"

test.vcproj

@@ -39,6 +39,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				AdditionalOptions="/D_SCL_SECURE_NO_WARNINGS"
 				Optimization="0"
 				AdditionalIncludeDirectories="include"
 				MinimalRebuild="true"
@@ -46,6 +47,7 @@
 				RuntimeLibrary="3"
 				WarningLevel="3"
 				DebugInformationFormat="4"
+				DisableSpecificWarnings="4127;4355"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"

yamlcpp.vcproj

@@ -40,6 +40,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				AdditionalOptions="/D_SCL_SECURE_NO_WARNINGS"
 				Optimization="0"
 				AdditionalIncludeDirectories="include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
@@ -49,6 +50,7 @@
 				UsePrecompiledHeader="0"
 				WarningLevel="4"
 				DebugInformationFormat="3"
+				DisableSpecificWarnings="4127;4355"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"