Because of Eina_Value being less than optimal in our usage, we're dropping it in Eolian.
This simplifies the code and makes it easier to bind to other languages, which
will aid new generators. Also, we're dropping long double support from eo files
and expressions as it causes an ABI breakage in gcc 4.4.
This implements the previously declared APIs to manipulate enum types. Also,
it implements the appropriate lookups in expression evaluation so that you
can refer to constants and enums inside constant expressions.
so instead of "unsigned int" you get "uint". This is important for handling of
expressions and cross-language interoperability. You can use c_type_get on the
base type to get the C name. Also, append the appropriate suffix to number literals
when calling eolian_expression_value_to_literal.
This commit also does several side (related) changes. Particularly, it updates
the Eolian C generator to use the new API, it adds missing expr types (null, char)
and masks, updates the API dealing with default return values to use expressions
instead of strings and does several fixes (mainly in lexer) around the place.
It also disallows single quoted strings as those are reserved for characters.
Daniel Kolesa
Mike Blumenkrantz
Cedric BAIL
Daniel Kolesa