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Fixed handling of array template specialization types

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This commit is contained in:
Bartek Kryza
2023-05-02 16:10:14 +02:00
parent 640c5263ce
commit f01ddc63f2
8 changed files with 207 additions and 52 deletions
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25
src/class_diagram/visitor/template_builder.cc
View File

@@ -583,41 +583,39 @@ template_parameter template_builder::process_type_argument(
argument = try_as_function_prototype(parent, cls, template_decl, type,
template_instantiation, argument_index);
if (argument)
return *argument;
argument = try_as_member_pointer(parent, cls, template_decl, type,
template_instantiation, argument_index);
if (argument)
return *argument;
argument = try_as_array(parent, cls, template_decl, type,
template_instantiation, argument_index);
if (argument)
return *argument;
argument = try_as_template_specialization_type(parent, cls, template_decl,
type, template_instantiation, argument_index);
if (argument)
return *argument;
argument = try_as_template_parm_type(cls, template_decl, type);
if (argument)
return *argument;
argument = try_as_lambda(cls, template_decl, type);
if (argument)
return *argument;
argument = try_as_record_type(parent, cls, template_decl, type,
template_instantiation, argument_index);
if (argument)
return *argument;
argument = try_as_enum_type(
parent, cls, template_decl, type, template_instantiation);
if (argument)
return *argument;
@@ -894,6 +892,7 @@ std::optional<template_parameter> template_builder::try_as_array(
->getSize()
.getLimitedValue())));
}
// TODO: Handle variable sized arrays
return argument;
@@ -922,9 +921,17 @@ std::optional<template_parameter> template_builder::try_as_function_prototype(
argument.add_template_param(return_arg);
// Set function template argument types
for (const auto &param_type : function_type->param_types()) {
argument.add_template_param(process_type_argument(parent, cls,
template_decl, param_type, template_instantiation, argument_index));
if (function_type->isVariadic() && function_type->param_types().empty()) {
auto fallback_arg = template_parameter::make_argument({});
fallback_arg.is_ellipsis(true);
argument.add_template_param(std::move(fallback_arg));
}
else {
for (const auto &param_type : function_type->param_types()) {
argument.add_template_param(
process_type_argument(parent, cls, template_decl, param_type,
template_instantiation, argument_index));
}
}
return argument;

77
src/common/model/template_parameter.cc
View File

@@ -138,6 +138,21 @@ template_parameter template_parameter::make_unexposed_argument(
return p;
}
bool template_parameter::is_specialization() const
{
return is_function_template() || is_array() || is_data_pointer() ||
is_member_pointer() || !deduced_context().empty();
}
bool template_parameter::is_same_specialization(
const template_parameter &other) const
{
return is_array() == other.is_array() &&
is_function_template() == other.is_function_template() &&
is_data_pointer() == other.is_data_pointer() &&
is_member_pointer() == other.is_member_pointer();
}
void template_parameter::set_type(const std::string &type)
{
assert(kind_ != template_parameter_kind_t::template_type);
@@ -212,10 +227,17 @@ int template_parameter::calculate_specialization_match(
// If the potential base template has a deduction context (e.g. const&),
// the specialization must have the same and possibly more
if (!base_template_parameter.deduced_context().empty() &&
!util::starts_with(
deduced_context(), base_template_parameter.deduced_context()))
return 0;
if (base_template_parameter.is_specialization()) {
if (!deduced_context().empty() &&
(base_template_parameter.deduced_context().empty() ||
!util::starts_with(deduced_context(),
base_template_parameter.deduced_context())))
return 0;
if (!base_template_parameter.deduced_context().empty() &&
deduced_context().empty())
return 0;
}
if (is_template_parameter() &&
base_template_parameter.is_template_parameter() &&
@@ -245,9 +267,6 @@ int template_parameter::calculate_specialization_match(
if (base_template_parameter.is_array() && !is_array())
return 0;
if (base_template_parameter.is_array() && is_array())
res++;
if (base_template_parameter.is_function_template() &&
!is_function_template())
return 0;
@@ -259,7 +278,8 @@ int template_parameter::calculate_specialization_match(
return 0;
if (!base_template_parameter.template_params().empty() &&
!template_params().empty()) {
!template_params().empty() &&
is_same_specialization(base_template_parameter)) {
auto params_match = calculate_template_params_specialization_match(
template_params(), base_template_parameter.template_params());
@@ -270,8 +290,21 @@ int template_parameter::calculate_specialization_match(
}
else if ((base_template_parameter.is_template_parameter() ||
base_template_parameter.is_template_template_parameter()) &&
!is_template_parameter())
!is_template_parameter()) {
return 1;
}
else if (base_template_parameter.is_template_parameter() &&
base_template_parameter.template_params().empty()) {
// If the base is a regular template param, only possible with deduced
// context (deduced context already matches if exists)
res++;
if (!deduced_context().empty() &&
!base_template_parameter.deduced_context().empty() &&
util::starts_with(
deduced_context(), base_template_parameter.deduced_context()))
res += base_template_parameter.deduced_context().size();
}
return res;
}
@@ -335,13 +368,26 @@ std::string template_parameter::to_string(
const clanguml::common::model::namespace_ &using_namespace, bool relative,
bool skip_qualifiers) const
{
if (is_elipssis())
if (is_ellipsis())
return "...";
using clanguml::common::model::namespace_;
assert(!(type().has_value() && concept_constraint().has_value()));
if (is_array()) {
auto it = template_params_.begin();
auto element_type = it->to_string(using_namespace, relative);
std::advance(it, 1);
std::vector<std::string> dimension_args;
for (; it != template_params_.end(); it++)
dimension_args.push_back(it->to_string(using_namespace, relative));
return fmt::format(
"{}[{}]", element_type, fmt::join(dimension_args, "]["));
}
if (is_function_template()) {
auto it = template_params_.begin();
auto return_type = it->to_string(using_namespace, relative);
@@ -589,13 +635,19 @@ const std::deque<context> &template_parameter::deduced_context() const
{
return context_;
}
void template_parameter::deduced_context(const std::deque<context> &c)
{
context_ = c;
}
void template_parameter::is_elipssis(bool e) { is_elipssis_ = e; }
bool template_parameter::is_elipssis() const { return is_elipssis_; }
void template_parameter::is_ellipsis(bool e) { is_ellipsis_ = e; }
bool template_parameter::is_ellipsis() const { return is_ellipsis_; }
void template_parameter::is_noexcept(bool e) { is_noexcept_ = e; }
bool template_parameter::is_noexcept() const { return is_noexcept_; }
int calculate_template_params_specialization_match(
const std::vector<template_parameter> &specialization_params,
@@ -620,6 +672,7 @@ int calculate_template_params_specialization_match(
template_params.at(template_index));
if (match == 0) {
// If any of the matches is 0 - the entire match fails
return 0;
}

16
src/common/model/template_parameter.h
View File

@@ -131,6 +131,10 @@ public:
bool is_association() const;
bool is_specialization() const;
bool is_same_specialization(const template_parameter &other) const;
bool find_nested_relationships(
std::vector<std::pair<int64_t, common::model::relationship_t>>
&nested_relationships,
@@ -147,7 +151,6 @@ public:
void set_kind(template_parameter_kind_t kind);
bool is_unexposed() const;
void set_unexposed(bool unexposed);
void is_function_template(bool ft);
@@ -166,8 +169,11 @@ public:
const std::deque<context> &deduced_context() const;
void deduced_context(const std::deque<context> &c);
void is_elipssis(bool e);
bool is_elipssis() const;
void is_ellipsis(bool e);
bool is_ellipsis() const;
void is_noexcept(bool e);
bool is_noexcept() const;
private:
template_parameter() = default;
@@ -194,7 +200,9 @@ private:
/// Can only be true when is_template_parameter_ is true
bool is_template_template_parameter_{false};
bool is_elipssis_{false};
bool is_ellipsis_{false};
bool is_noexcept_{false};
/// Whether the template parameter is variadic
bool is_variadic_{false};