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// Copyright (C) 2020-2023 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_HIR_TYPE_CHECK_EXPR
#define RUST_HIR_TYPE_CHECK_EXPR
#include "rust-hir-type-check-base.h"
#include "rust-tyty.h"
namespace Rust {
namespace Resolver {
class TypeCheckExpr : private TypeCheckBase, private HIR::HIRExpressionVisitor
{
public:
static TyTy::BaseType *Resolve (HIR::Expr *expr);
void visit (HIR::TupleIndexExpr &expr) override;
void visit (HIR::TupleExpr &expr) override;
void visit (HIR::ReturnExpr &expr) override;
void visit (HIR::CallExpr &expr) override;
void visit (HIR::MethodCallExpr &expr) override;
void visit (HIR::AssignmentExpr &expr) override;
void visit (HIR::CompoundAssignmentExpr &expr) override;
void visit (HIR::LiteralExpr &expr) override;
void visit (HIR::ArithmeticOrLogicalExpr &expr) override;
void visit (HIR::ComparisonExpr &expr) override;
void visit (HIR::LazyBooleanExpr &expr) override;
void visit (HIR::NegationExpr &expr) override;
void visit (HIR::IfExpr &expr) override;
void visit (HIR::IfExprConseqElse &expr) override;
void visit (HIR::IfExprConseqIf &expr) override;
void visit (HIR::IfLetExpr &expr) override;
void visit (HIR::BlockExpr &expr) override;
void visit (HIR::UnsafeBlockExpr &expr) override;
void visit (HIR::ArrayIndexExpr &expr) override;
void visit (HIR::ArrayExpr &expr) override;
void visit (HIR::StructExprStruct &struct_expr) override;
void visit (HIR::StructExprStructFields &struct_expr) override;
void visit (HIR::GroupedExpr &expr) override;
void visit (HIR::FieldAccessExpr &expr) override;
void visit (HIR::QualifiedPathInExpression &expr) override;
void visit (HIR::PathInExpression &expr) override;
void visit (HIR::LoopExpr &expr) override;
void visit (HIR::BreakExpr &expr) override;
void visit (HIR::ContinueExpr &expr) override;
void visit (HIR::BorrowExpr &expr) override;
void visit (HIR::DereferenceExpr &expr) override;
void visit (HIR::TypeCastExpr &expr) override;
void visit (HIR::MatchExpr &expr) override;
void visit (HIR::RangeFromToExpr &expr) override;
void visit (HIR::RangeFromExpr &expr) override;
void visit (HIR::RangeToExpr &expr) override;
void visit (HIR::RangeFullExpr &expr) override;
void visit (HIR::RangeFromToInclExpr &expr) override;
void visit (HIR::WhileLoopExpr &expr) override;
void visit (HIR::ClosureExpr &expr) override;
// TODO
void visit (HIR::ErrorPropagationExpr &) override {}
void visit (HIR::RangeToInclExpr &) override {}
void visit (HIR::WhileLetLoopExpr &) override {}
void visit (HIR::ForLoopExpr &) override {}
void visit (HIR::IfExprConseqIfLet &) override {}
void visit (HIR::IfLetExprConseqElse &) override {}
void visit (HIR::IfLetExprConseqIf &) override {}
void visit (HIR::IfLetExprConseqIfLet &) override {}
void visit (HIR::AwaitExpr &) override {}
void visit (HIR::AsyncBlockExpr &) override {}
// don't need to implement these see rust-hir-type-check-struct-field.h
void visit (HIR::StructExprFieldIdentifier &) override { gcc_unreachable (); }
void visit (HIR::StructExprFieldIndexValue &) override { gcc_unreachable (); }
void visit (HIR::StructExprFieldIdentifierValue &) override
{
gcc_unreachable ();
}
protected:
bool
resolve_operator_overload (Analysis::RustLangItem::ItemType lang_item_type,
HIR::OperatorExprMeta expr, TyTy::BaseType *lhs,
TyTy::BaseType *rhs);
bool resolve_fn_trait_call (HIR::CallExpr &expr,
TyTy::BaseType *function_tyty,
TyTy::BaseType **result);
HIR::PathIdentSegment
resolve_possible_fn_trait_call_method_name (const TyTy::BaseType &receiver);
private:
TypeCheckExpr ();
TyTy::BaseType *resolve_root_path (HIR::PathInExpression &expr,
size_t *offset,
NodeId *root_resolved_node_id);
void resolve_segments (NodeId root_resolved_node_id,
std::vector<HIR::PathExprSegment> &segments,
size_t offset, TyTy::BaseType *tyseg,
const Analysis::NodeMapping &expr_mappings,
Location expr_locus);
bool
validate_arithmetic_type (const TyTy::BaseType *tyty,
HIR::ArithmeticOrLogicalExpr::ExprType expr_type);
/* The return value of TypeCheckExpr::Resolve */
TyTy::BaseType *infered;
};
} // namespace Resolver
} // namespace Rust
#endif // RUST_HIR_TYPE_CHECK_EXPR
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