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Add support for forward declarations

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This commit is contained in:
Jonathan Müller 2017-03-11 15:36:51 +01:00
commit 210fcf2c36
12 changed files with 332 additions and 64 deletions
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38
include/cppast/cpp_function.hpp
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@ -7,6 +7,7 @@
#include <cppast/cpp_entity.hpp>
#include <cppast/cpp_entity_container.hpp>
#include <cppast/cpp_forward_declarable.hpp>
#include <cppast/cpp_storage_class_specifiers.hpp>
#include <cppast/cpp_variable_base.hpp>
@ -40,14 +41,30 @@ namespace cppast
cpp_function_deleted, //< Deleted definition.
};
/// \returns Whether or not the function body is a declaration,
/// without a definition.
inline bool is_declaration(cpp_function_body_kind body) noexcept
{
return body == cpp_function_declaration;
}
/// \returns Whether or not the function body is a definition.
inline bool is_definition(cpp_function_body_kind body) noexcept
{
return !is_declaration(body);
}
/// Base class for all entities that are functions.
///
/// It contains arguments and common flags.
class cpp_function_base : public cpp_entity,
public cpp_entity_container<cpp_function_base, cpp_function_parameter>
class cpp_function_base
: public cpp_entity,
public cpp_entity_container<cpp_function_base, cpp_function_parameter>,
public cpp_forward_declarable
{
public:
/// \returns The [cppast::cpp_function_body_kind]().
/// \notes This matches the [cppast::cpp_forward_declarable]() queries.
cpp_function_body_kind body_kind() const noexcept
{
return body_;
@ -98,17 +115,16 @@ namespace cppast
static_cast<cpp_function_base&>(*function).noexcept_expr_ = std::move(cond);
}
/// \effects Sets the [cppast::cpp_function_body_kind]().
void body_kind(cpp_function_body_kind kind)
{
static_cast<cpp_function_base&>(*function).body_ = kind;
}
/// \effects Registers the function.
/// \effects If the body is a definition, registers it.
/// Else marks it as a declaration.
/// \returns The finished function.
std::unique_ptr<T> finish(const cpp_entity_index& idx, cpp_entity_id id)
std::unique_ptr<T> finish(const cpp_entity_index& idx, cpp_entity_id id,
cpp_function_body_kind body_kind)
{
idx.register_entity(std::move(id), type_safe::cref(*function));
if (cppast::is_definition(body_kind))
idx.register_entity(std::move(id), type_safe::cref(*function));
else
function->set_definition(id);
return std::move(function);
}