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/*
* MRustC - Rust Compiler
* - By John Hodge (Mutabah/thePowersGang)
*
* mir/visit_crate_mir.cpp
* - Visitor to visit all MIR blobs in a crate
*/
#include "visit_crate_mir.hpp"
#include <hir/expr.hpp>
// NOTE: This is left here to ensure that any expressions that aren't handled by higher code cause a failure
void MIR::OuterVisitor::visit_expr(::HIR::ExprPtr& exp)
{
BUG(Span(), "visit_expr hit in OuterVisitor");
}
void MIR::OuterVisitor::visit_type(::HIR::TypeRef& ty)
{
TU_IFLET(::HIR::TypeRef::Data, ty.m_data, Array, e,
this->visit_type( *e.inner );
DEBUG("Array size " << ty);
if( e.size ) {
m_cb(m_resolve, ::HIR::ItemPath(""), *e.size, {}, ::HIR::TypeRef(::HIR::CoreType::Usize));
}
)
else {
::HIR::Visitor::visit_type(ty);
}
}
void MIR::OuterVisitor::visit_function(::HIR::ItemPath p, ::HIR::Function& item)
{
auto _ = this->m_resolve.set_item_generics(item.m_params);
if( item.m_code )
{
DEBUG("Function code " << p);
// TODO: Get span without needing hir/expr.hpp
static Span sp;
// Replace ErasedType instances in `ret_type`
const auto& ret_type = item.m_return;
auto ret_type_v = clone_ty_with(sp, ret_type, [&](const auto& tpl, auto& rv) {
if( tpl.m_data.is_ErasedType() )
{
const auto& e = tpl.m_data.as_ErasedType();
assert(e.m_index < item.m_code.m_erased_types.size());
rv = item.m_code.m_erased_types[e.m_index].clone();
return true;
}
return false;
});
this->m_resolve.expand_associated_types(sp, ret_type_v);
m_cb(m_resolve, p, item.m_code, item.m_args, ret_type_v);
}
}
void MIR::OuterVisitor::visit_static(::HIR::ItemPath p, ::HIR::Static& item)
{
if( item.m_value ) {
DEBUG("`static` value " << p);
m_cb(m_resolve, p, item.m_value, {}, item.m_type);
}
}
void MIR::OuterVisitor::visit_constant(::HIR::ItemPath p, ::HIR::Constant& item)
{
if( item.m_value ) {
DEBUG("`const` value " << p);
m_cb(m_resolve, p, item.m_value, {}, item.m_type);
}
}
void MIR::OuterVisitor::visit_enum(::HIR::ItemPath p, ::HIR::Enum& item)
{
auto _ = this->m_resolve.set_item_generics(item.m_params);
// TODO: Use a different type depding on repr()
auto enum_type = ::HIR::TypeRef(::HIR::CoreType::Isize);
for(auto& var : item.m_variants)
{
TU_IFLET(::HIR::Enum::Variant, var.second, Value, e,
m_cb(m_resolve, p + var.first, e.expr, {}, enum_type);
)
}
}
void MIR::OuterVisitor::visit_trait(::HIR::ItemPath p, ::HIR::Trait& item)
{
auto _ = this->m_resolve.set_impl_generics(item.m_params);
::HIR::Visitor::visit_trait(p, item);
}
void MIR::OuterVisitor::visit_type_impl(::HIR::TypeImpl& impl)
{
auto _ = this->m_resolve.set_impl_generics(impl.m_params);
::HIR::Visitor::visit_type_impl(impl);
}
void MIR::OuterVisitor::visit_trait_impl(const ::HIR::SimplePath& trait_path, ::HIR::TraitImpl& impl)
{
auto _ = this->m_resolve.set_impl_generics(impl.m_params);
::HIR::Visitor::visit_trait_impl(trait_path, impl);
}
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