Fixed generation bug for ARM ABI.

Closes #351.
Fixed warnings about hidden methods in generated code.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Renamed the flag indicating whether to HGlobal-free an instance.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Merge pull request #352 from ddobrev/master

 Fixed warnings about hidden methods in generated code
Restored ParserOptions as a ref type because it is inherited.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Merge pull request #353 from ddobrev/master

Restored ParserOptions as a ref type because it is inherited
Simplified and precised the pass for inlines.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Merge pull request #354 from ddobrev/master

Simplified and precised the pass for inlines
Improved GetSourceDirectory to be a little more robust.
Added support for keeping ABI-specific function 'this' return information.
Improved ABI kind handling in the parser.
Improved support for Itanium-like ABIs.
Added support for iOS and iOS 64-bits ABIs.
Fixed the IsItaniumLikeAbi check.
Take advantage of 'this' return information to adjust the return type of structors.
Use a cast instead of an 'as' check.
Small code cleanup. Non-functional change.
Removes the remaining SetClassAsValueType from ParserGen.

Fixes diagnostics not showing up. These cannot be value types else diagnostics won't be copied in CLI copy constructors.
Fixed code generation for structors with HasThisReturn set to true.
Fixed ToolSetToUse to work with the latest Clang expectations.