LCOV - code coverage report
Current view: top level - gcc/rust/ast - rust-desugar-try-block.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 94.7 % 19 18
Test Date: 2025-08-30 13:27:53 Functions: 100.0 % 3 3
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                 :             : #include "rust-desugar-try-block.h"
      20                 :             : #include "rust-ast-builder.h"
      21                 :             : #include "rust-expr.h"
      22                 :             : 
      23                 :             : namespace Rust {
      24                 :             : namespace AST {
      25                 :             : 
      26                 :           1 : DesugarTryBlock::DesugarTryBlock () {}
      27                 :             : 
      28                 :             : void
      29                 :           1 : DesugarTryBlock::go (std::unique_ptr<Expr> &ptr)
      30                 :             : {
      31                 :           1 :   rust_assert (ptr->get_expr_kind () == Expr::Kind::Try);
      32                 :             : 
      33                 :           1 :   auto original = static_cast<TryExpr &> (*ptr);
      34                 :           1 :   auto desugared = DesugarTryBlock ().desugar (original);
      35                 :             : 
      36                 :           1 :   ptr = std::move (desugared);
      37                 :           1 : }
      38                 :             : 
      39                 :             : std::unique_ptr<Expr>
      40                 :           1 : DesugarTryBlock::desugar (TryExpr &expr)
      41                 :             : {
      42                 :           1 :   auto builder = Builder (expr.get_locus ());
      43                 :           1 :   auto &block = expr.get_block_expr ();
      44                 :             : 
      45                 :           1 :   if (block.has_statements ())
      46                 :           0 :     rust_sorry_at (expr.get_locus (),
      47                 :             :                    "cannot desugar try-blocks with statements");
      48                 :             : 
      49                 :           1 :   auto tail_expr = builder.tuple ();
      50                 :             : 
      51                 :           1 :   if (block.has_tail_expr ())
      52                 :           1 :     tail_expr = block.get_tail_expr ().clone_expr ();
      53                 :             : 
      54                 :             :   // Wrap in Try::from_ok call
      55                 :           1 :   auto from_ok = builder.path_in_expression (LangItem::Kind::TRY_FROM_OK);
      56                 :           2 :   auto call = builder.call (ptrify (from_ok), std::move (tail_expr));
      57                 :             : 
      58                 :           1 :   return builder.block (std::move (call));
      59                 :           1 : }
      60                 :             : 
      61                 :             : } // namespace AST
      62                 :             : } // namespace Rust
        

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.