leo-passes 3.0.0

// Copyright (C) 2019-2025 Provable Inc.
// This file is part of the Leo library.

// The Leo library 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 of the License, or
// (at your option) any later version.

// The Leo library 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 the Leo library. If not, see <https://www.gnu.org/licenses/>.

use super::DeadCodeEliminatingVisitor;

use leo_ast::{AstReconstructor as _, Function, ProgramReconstructor};

impl ProgramReconstructor for DeadCodeEliminatingVisitor<'_> {
    fn reconstruct_function(&mut self, mut input: Function) -> Function {
        // Reset the state of the dead code eliminator.
        self.used_variables.clear();

        // Traverse the function body.
        input.block = self.reconstruct_block(input.block).0;

        input
    }

    fn reconstruct_program_scope(&mut self, mut input: leo_ast::ProgramScope) -> leo_ast::ProgramScope {
        self.program_name = input.program_id.name.name;
        input.functions = input.functions.into_iter().map(|(i, f)| (i, self.reconstruct_function(f))).collect();
        input
    }
}