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// Copyright (C) 2020-2025 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#ifndef RUST_PRIVACY_REPORTER_H
#define RUST_PRIVACY_REPORTER_H
#include "rust-hir-map.h"
#include "rust-hir-visitor.h"
#include "rust-mapping-common.h"
#include "rust-name-resolver.h"
namespace Rust {
namespace Privacy {
/**
* This visitor visits all items and expressions of a crate and reports privacy
* violations. It should be started after using the `VisibilityResolver` visitor
* which resolves the visibilities of all items of a crate.
*/
class PrivacyReporter : public HIR::HIRExpressionVisitor,
public HIR::HIRStmtVisitor
{
public:
PrivacyReporter (Analysis::Mappings &mappings,
Rust::Resolver::Resolver &resolver,
const Rust::Resolver::TypeCheckContext &ty_ctx);
/**
* Perform privacy error reporting on an entire crate
*/
void go (HIR::Crate &crate);
private:
/**
* Check if a given item's visibility is accessible from the current module.
*
* This function reports the errors it finds.
*
* @param use_id NodeId of the expression/statement referencing an item with
* a visibility
* @param locus Location of said expression/statement
*/
void check_for_privacy_violation (const NodeId &use_id,
const location_t locus);
/**
* Internal function used by `check_type_privacy` when dealing with complex
types
* such as references or arrays
*/
void check_base_type_privacy (Analysis::NodeMapping &node_mappings,
const TyTy::BaseType *ty,
const location_t locus);
/**
* Check the privacy of an explicit type.
*
* This function reports the errors it finds.
*
* @param type Reference to an explicit type used in a statement, expression
* or parameter
*/
void check_type_privacy (const HIR::Type &type);
virtual void visit (HIR::StructExprFieldIdentifier &field);
virtual void visit (HIR::StructExprFieldIdentifierValue &field);
virtual void visit (HIR::StructExprFieldIndexValue &field);
virtual void visit (HIR::QualifiedPathInExpression &expr);
virtual void visit (HIR::PathInExpression &expr);
virtual void visit (HIR::ClosureExpr &expr);
virtual void visit (HIR::StructExprStructFields &);
virtual void visit (HIR::StructExprStruct &);
virtual void visit (HIR::LiteralExpr &expr);
virtual void visit (HIR::BorrowExpr &expr);
virtual void visit (HIR::DereferenceExpr &expr);
virtual void visit (HIR::ErrorPropagationExpr &expr);
virtual void visit (HIR::NegationExpr &expr);
virtual void visit (HIR::ArithmeticOrLogicalExpr &expr);
virtual void visit (HIR::ComparisonExpr &expr);
virtual void visit (HIR::LazyBooleanExpr &expr);
virtual void visit (HIR::TypeCastExpr &expr);
virtual void visit (HIR::AssignmentExpr &expr);
virtual void visit (HIR::CompoundAssignmentExpr &expr);
virtual void visit (HIR::GroupedExpr &expr);
virtual void visit (HIR::ArrayExpr &expr);
virtual void visit (HIR::ArrayIndexExpr &expr);
virtual void visit (HIR::TupleExpr &expr);
virtual void visit (HIR::TupleIndexExpr &expr);
virtual void visit (HIR::CallExpr &expr);
virtual void visit (HIR::MethodCallExpr &expr);
virtual void visit (HIR::FieldAccessExpr &expr);
virtual void visit (HIR::BlockExpr &expr);
virtual void visit (HIR::ContinueExpr &expr);
virtual void visit (HIR::BreakExpr &expr);
virtual void visit (HIR::RangeFromToExpr &expr);
virtual void visit (HIR::RangeFromExpr &expr);
virtual void visit (HIR::RangeToExpr &expr);
virtual void visit (HIR::RangeFullExpr &expr);
virtual void visit (HIR::RangeFromToInclExpr &expr);
virtual void visit (HIR::RangeToInclExpr &expr);
virtual void visit (HIR::ReturnExpr &expr);
virtual void visit (HIR::UnsafeBlockExpr &expr);
virtual void visit (HIR::LoopExpr &expr);
virtual void visit (HIR::WhileLoopExpr &expr);
virtual void visit (HIR::WhileLetLoopExpr &expr);
virtual void visit (HIR::IfExpr &expr);
virtual void visit (HIR::IfExprConseqElse &expr);
virtual void visit (HIR::MatchExpr &expr);
virtual void visit (HIR::AwaitExpr &expr);
virtual void visit (HIR::AsyncBlockExpr &expr);
virtual void visit (HIR::InlineAsm &expr);
virtual void visit (HIR::EnumItemTuple &);
virtual void visit (HIR::EnumItemStruct &);
virtual void visit (HIR::EnumItem &item);
virtual void visit (HIR::TupleStruct &tuple_struct);
virtual void visit (HIR::EnumItemDiscriminant &);
virtual void visit (HIR::TypePathSegmentFunction &segment);
virtual void visit (HIR::TypePath &path);
virtual void visit (HIR::QualifiedPathInType &path);
virtual void visit (HIR::Module &module);
virtual void visit (HIR::ExternCrate &crate);
virtual void visit (HIR::UseDeclaration &use_decl);
virtual void visit (HIR::Function &function);
virtual void visit (HIR::TypeAlias &type_alias);
virtual void visit (HIR::StructStruct &struct_item);
virtual void visit (HIR::Enum &enum_item);
virtual void visit (HIR::Union &union_item);
virtual void visit (HIR::ConstantItem &const_item);
virtual void visit (HIR::StaticItem &static_item);
virtual void visit (HIR::Trait &trait);
virtual void visit (HIR::ImplBlock &impl);
virtual void visit (HIR::ExternBlock &block);
virtual void visit (HIR::EmptyStmt &stmt);
virtual void visit (HIR::LetStmt &stmt);
virtual void visit (HIR::ExprStmt &stmt);
Analysis::Mappings &mappings;
Rust::Resolver::Resolver &resolver;
const Rust::Resolver::TypeCheckContext &ty_ctx;
// `None` means we're in the root module - the crate
tl::optional<NodeId> current_module;
};
} // namespace Privacy
} // namespace Rust
#endif // !RUST_PRIVACY_REPORTER_H
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