LCOV - code coverage report
Current view: top level - gcc/rust/expand - rust-derive-cmp-common.h (source / functions) Coverage Total Hit
Test: gcc.info Lines: 100.0 % 5 5
Test Date: 2025-09-20 13:40:47 Functions: - 0 0
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : // Copyright (C) 2025 Free Software Foundation, Inc.
       2                 :             : 
       3                 :             : // This file is part of GCC.
       4                 :             : 
       5                 :             : // GCC is free software; you can redistribute it and/or modify it under
       6                 :             : // the terms of the GNU General Public License as published by the Free
       7                 :             : // Software Foundation; either version 3, or (at your option) any later
       8                 :             : // version.
       9                 :             : 
      10                 :             : // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      11                 :             : // WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12                 :             : // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      13                 :             : // for more details.
      14                 :             : 
      15                 :             : // You should have received a copy of the GNU General Public License
      16                 :             : // along with GCC; see the file COPYING3.  If not see
      17                 :             : // <http://www.gnu.org/licenses/>.
      18                 :             : 
      19                 :             : #ifndef RUST_DERIVE_CMP_COMMON_H
      20                 :             : #define RUST_DERIVE_CMP_COMMON_H
      21                 :             : 
      22                 :             : #include "rust-ast.h"
      23                 :             : #include "rust-ast-builder.h"
      24                 :             : #include "rust-item.h"
      25                 :             : #include "rust-path.h"
      26                 :             : 
      27                 :             : namespace Rust {
      28                 :             : namespace AST {
      29                 :             : 
      30                 :             : /**
      31                 :             :  * A pair of two expressions from each instance being compared. E.g. this
      32                 :             :  * could be `self.0` and `other.0`, or `self.field` and `other.field`
      33                 :             :  */
      34                 :        1179 : struct SelfOther
      35                 :             : {
      36                 :             :   std::unique_ptr<Expr> self_expr;
      37                 :             :   std::unique_ptr<Expr> other_expr;
      38                 :             : 
      39                 :             :   /* Create a <self.i> and an <other.i> expression */
      40                 :             :   static SelfOther index (Builder builder, int idx);
      41                 :             :   static std::vector<SelfOther> indexes (Builder builder,
      42                 :             :                                          const std::vector<TupleField> &fields);
      43                 :             : 
      44                 :             :   /* Create a <self.field> and an <other.field> expression */
      45                 :             :   static SelfOther field (Builder builder, const std::string &field_name);
      46                 :             :   static std::vector<SelfOther> fields (Builder builder,
      47                 :             :                                         const std::vector<StructField> &fields);
      48                 :             : };
      49                 :             : 
      50                 :             : /**
      51                 :             :  * Builder for common match cases used when comparing two enum instances. This
      52                 :             :  * builder takes care of creating the unique patterns for the `self` instance
      53                 :             :  * and `other` instance, as well as the entire `MatchCase` required for building
      54                 :             :  * a proper comparision expression for an implementation of a comparision trait
      55                 :             :  * for an enum type. The functions take a lambda to use when creating the
      56                 :             :  * expression of the generated `MatchCase`.
      57                 :             :  */
      58                 :         111 : class EnumMatchBuilder
      59                 :             : {
      60                 :             : public:
      61                 :             :   /**
      62                 :             :    * The type of functions to call when creating the resulting expression in the
      63                 :             :    * generated `MatchCase`
      64                 :             :    */
      65                 :             :   using ExprFn
      66                 :             :     = std::function<std::unique_ptr<Expr> (std::vector<SelfOther> &&)>;
      67                 :             : 
      68                 :         111 :   EnumMatchBuilder (const std::string &enum_path,
      69                 :             :                     const std::string &variant_path, ExprFn fn,
      70                 :             :                     Builder &builder)
      71                 :         111 :     : enum_path (enum_path), variant_path (variant_path), fn (fn),
      72                 :         111 :       builder (builder)
      73                 :             :   {}
      74                 :             : 
      75                 :             :   /**
      76                 :             :    * Generate a `MatchCase` for an enum tuple variant
      77                 :             :    *
      78                 :             :    * (&Enum::Tuple(self0, self1), &Enum::Tuple(other0, other1)) => <fn>
      79                 :             :    */
      80                 :             :   MatchCase tuple (EnumItem &variant);
      81                 :             : 
      82                 :             :   /**
      83                 :             :    * Generate a `MatchCase` for an enum struct variant
      84                 :             :    *
      85                 :             :    * (&Enum::Struct { a: self_a }, &Enum::Struct { a: other_a }) => <fn>
      86                 :             :    */
      87                 :             :   MatchCase strukt (EnumItem &variant);
      88                 :             : 
      89                 :             : private:
      90                 :             :   const std::string &enum_path;
      91                 :             :   const std::string &variant_path;
      92                 :             :   ExprFn fn;
      93                 :             :   Builder &builder;
      94                 :             : };
      95                 :             : 
      96                 :             : } // namespace AST
      97                 :             : } // namespace Rust
      98                 :             : 
      99                 :             : #endif // ! RUST_DERIVE_CMP_COMMON_H
        

Generated by: LCOV version 2.1-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.