| // 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 |