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* [gcc/devel/rust/master] hir: Add Item::ItemKind enumeration
@ 2022-07-28 7:53 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2022-07-28 7:53 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:53aee096bd22a43165839f908581753ab987e9d9
commit 53aee096bd22a43165839f908581753ab987e9d9
Author: Arthur Cohen <arthur.cohen@embecosm.com>
Date: Mon Jul 25 13:29:31 2022 +0200
hir: Add Item::ItemKind enumeration
This allows us to perform checks and dispatch when getting an HIR::Item*
from Mappings::lookup_hir_item()
Diff:
---
gcc/rust/hir/tree/rust-hir-item.h | 25 +++++++++++++++++++++++++
gcc/rust/hir/tree/rust-hir.h | 20 ++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/gcc/rust/hir/tree/rust-hir-item.h b/gcc/rust/hir/tree/rust-hir-item.h
index 0d41bd0bbb0..6156b2dacb3 100644
--- a/gcc/rust/hir/tree/rust-hir-item.h
+++ b/gcc/rust/hir/tree/rust-hir-item.h
@@ -723,6 +723,8 @@ public:
Location get_locus () const override final { return locus; }
+ ItemKind get_item_kind () const override { return ItemKind::Module; }
+
protected:
/* Use covariance to implement clone function as returning this object
* rather than base */
@@ -773,6 +775,8 @@ public:
Location get_locus () const override final { return locus; }
+ ItemKind get_item_kind () const override { return ItemKind::ExternCrate; }
+
void accept_vis (HIRFullVisitor &vis) override;
void accept_vis (HIRStmtVisitor &vis) override;
void accept_vis (HIRVisItemVisitor &vis) override;
@@ -1039,6 +1043,7 @@ public:
UseDeclaration &operator= (UseDeclaration &&other) = default;
Location get_locus () const override final { return locus; }
+ ItemKind get_item_kind () const override { return ItemKind::UseDeclaration; }
void accept_vis (HIRFullVisitor &vis) override;
void accept_vis (HIRStmtVisitor &vis) override;
@@ -1094,6 +1099,8 @@ public:
return ImplItem::ImplItemType::FUNCTION;
}
+ ItemKind get_item_kind () const override { return ItemKind::Function; }
+
// Mega-constructor with all possible fields
Function (Analysis::NodeMapping mappings, Identifier function_name,
FunctionQualifiers qualifiers,
@@ -1329,6 +1336,8 @@ public:
Identifier get_new_type_name () const { return new_type_name; }
+ ItemKind get_item_kind () const override { return ItemKind::TypeAlias; }
+
Analysis::NodeMapping get_impl_mappings () const override
{
return get_mappings ();
@@ -1373,6 +1382,7 @@ public:
bool has_where_clause () const { return !where_clause.is_empty (); }
Location get_locus () const override final { return locus; }
+ ItemKind get_item_kind () const override { return ItemKind::Struct; }
std::vector<std::unique_ptr<GenericParam>> &get_generic_params ()
{
@@ -1709,6 +1719,8 @@ public:
Identifier get_identifier () const { return variant_name; }
+ ItemKind get_item_kind () const override { return ItemKind::EnumItem; }
+
protected:
EnumItem *clone_item_impl () const override { return new EnumItem (*this); }
};
@@ -1930,6 +1942,7 @@ public:
void accept_vis (HIRVisItemVisitor &vis) override;
Identifier get_identifier () const { return enum_name; }
+ ItemKind get_item_kind () const override { return ItemKind::Enum; }
std::vector<std::unique_ptr<GenericParam>> &get_generic_params ()
{
@@ -2037,6 +2050,8 @@ public:
WhereClause &get_where_clause () { return where_clause; }
+ ItemKind get_item_kind () const override { return ItemKind::Union; }
+
protected:
/* Use covariance to implement clone function as returning this object
* rather than base */
@@ -2111,6 +2126,8 @@ public:
return ImplItem::ImplItemType::CONSTANT;
}
+ ItemKind get_item_kind () const override { return ItemKind::Constant; }
+
protected:
/* Use covariance to implement clone function as returning this object
* rather than base */
@@ -2188,6 +2205,8 @@ public:
Type *get_type () { return type.get (); }
+ ItemKind get_item_kind () const override { return ItemKind::Static; }
+
protected:
StaticItem *clone_item_impl () const override
{
@@ -2677,6 +2696,8 @@ public:
return type_param_bounds;
}
+ ItemKind get_item_kind () const override { return ItemKind::Trait; }
+
protected:
/* Use covariance to implement clone function as returning this object
* rather than base */
@@ -2797,6 +2818,8 @@ public:
WhereClause &get_where_clause () { return where_clause; }
+ ItemKind get_item_kind () const override { return ItemKind::Impl; }
+
protected:
ImplBlock *clone_item_impl () const override { return new ImplBlock (*this); }
};
@@ -3149,6 +3172,8 @@ public:
return extern_items;
}
+ ItemKind get_item_kind () const override { return ItemKind::ExternBlock; }
+
protected:
/* Use covariance to implement clone function as returning this object
* rather than base */
diff --git a/gcc/rust/hir/tree/rust-hir.h b/gcc/rust/hir/tree/rust-hir.h
index 58f4db2fcc6..c2f6fef1383 100644
--- a/gcc/rust/hir/tree/rust-hir.h
+++ b/gcc/rust/hir/tree/rust-hir.h
@@ -175,6 +175,26 @@ class Item : public Stmt
// TODO: should outer attrs be defined here or in each derived class?
public:
+ enum class ItemKind
+ {
+ Static,
+ Constant,
+ TypeAlias,
+ Function,
+ UseDeclaration,
+ ExternBlock,
+ ExternCrate,
+ Struct,
+ Union,
+ Enum,
+ EnumItem, // FIXME: ARTHUR: Do we need that?
+ Trait,
+ Impl,
+ Module,
+ };
+
+ virtual ItemKind get_item_kind () const = 0;
+
// Unique pointer custom clone function
std::unique_ptr<Item> clone_item () const
{
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