Fixed t00044

This commit is contained in:
Bartek Kryza
2023-04-05 00:22:29 +02:00
parent 75eaef3662
commit 425a13ec5b
7 changed files with 235 additions and 88 deletions

View File

@@ -108,17 +108,59 @@ void template_parameter::is_variadic(bool is_variadic) noexcept
bool template_parameter::is_variadic() const noexcept { return is_variadic_; }
bool template_parameter::is_specialization_of(
int template_parameter::calculate_specialization_match(
const template_parameter &ct) const
{
if(is_function_template() && ct.is_function_template()) {
bool res{true};
int res{0};
if (ct.type().has_value() && type().has_value() &&
!ct.is_template_parameter() && !is_template_parameter() &&
ct.type().value() != type().value())
return 0;
if (ct.is_function_template() && !is_function_template())
return 0;
if (template_params().size() > 0 && ct.template_params().size() > 0) {
// More generic template params
const auto &template_params = ct.template_params();
const auto &specialization_params = this->template_params();
auto template_index{0U};
auto arg_index{0U};
while (arg_index < specialization_params.size() &&
template_index < template_params.size()) {
auto match = specialization_params.at(arg_index)
.calculate_specialization_match(
template_params.at(template_index));
if (match == 0) {
return 0;
}
if (!template_params.at(template_index).is_variadic())
template_index++;
res += match;
// Add 1 point for argument match
if (!specialization_params.at(arg_index).is_template_parameter())
res++;
arg_index++;
}
if (arg_index == specialization_params.size())
return res;
else
return 0;
}
return (ct.is_template_parameter() ||
ct.is_template_template_parameter()) &&
!is_template_parameter();
if ((ct.is_template_parameter() || ct.is_template_template_parameter()) &&
!is_template_parameter())
return 1;
return 0;
}
void template_parameter::add_template_param(template_parameter &&ct)

View File

@@ -52,6 +52,7 @@ public:
p.set_kind(template_parameter_kind_t::template_type);
p.set_name(name);
p.is_variadic(is_variadic);
p.is_template_parameter(true);
if (default_value)
p.set_default_value(default_value.value());
return p;
@@ -121,7 +122,7 @@ public:
void is_variadic(bool is_variadic) noexcept;
bool is_variadic() const noexcept;
bool is_specialization_of(const template_parameter &ct) const;
int calculate_specialization_match(const template_parameter &ct) const;
friend bool operator==(
const template_parameter &l, const template_parameter &r);

View File

@@ -66,12 +66,7 @@ const std::vector<template_parameter> &template_trait::templates() const
int template_trait::calculate_template_specialization_match(
const template_trait &other, const std::string & /*full_name*/) const
{
int res{};
// TODO: handle variadic templates
if (templates().size() != other.templates().size()) {
return res;
}
int res{0};
// Iterate over all template arguments
for (auto i = 0U; i < other.templates().size(); i++) {
@@ -80,9 +75,17 @@ int template_trait::calculate_template_specialization_match(
if (template_arg == other_template_arg) {
res++;
if (!template_arg.is_template_parameter())
res++;
if (!other_template_arg.is_template_parameter())
res++;
}
else if (other_template_arg.is_specialization_of(template_arg)) {
continue;
else if (auto match = other_template_arg.calculate_specialization_match(
template_arg);
match > 0) {
res += match;
}
else {
res = 0;