leo_ast/program/
program_scope.rs

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// 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/>.

//! A Leo program scope consists of struct, function, and mapping definitions.

use crate::{Composite, ConstDeclaration, Function, Indent, Mapping, ProgramId, Stub};

use leo_span::{Span, Symbol};
use serde::{Deserialize, Serialize};
use std::fmt;

/// Stores the Leo program scope abstract syntax tree.
#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
pub struct ProgramScope {
    /// The program id of the program scope.
    pub program_id: ProgramId,
    /// A vector of const definitions
    pub consts: Vec<(Symbol, ConstDeclaration)>,
    /// A vector of struct definitions.
    pub structs: Vec<(Symbol, Composite)>,
    /// A vector of mapping definitions.
    pub mappings: Vec<(Symbol, Mapping)>,
    /// A vector of function definitions.
    pub functions: Vec<(Symbol, Function)>,
    /// The span associated with the program scope.
    pub span: Span,
}

impl From<Stub> for ProgramScope {
    fn from(stub: Stub) -> Self {
        Self {
            program_id: stub.stub_id,
            consts: stub.consts,
            structs: stub.structs,
            mappings: stub.mappings,
            functions: stub
                .functions
                .into_iter()
                .map(|(symbol, function)| (symbol, Function::from(function)))
                .collect(),
            span: stub.span,
        }
    }
}

impl fmt::Display for ProgramScope {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        writeln!(f, "program {} {{", self.program_id)?;
        for (_, const_decl) in self.consts.iter() {
            writeln!(f, "{};", Indent(const_decl))?;
        }
        for (_, struct_) in self.structs.iter() {
            writeln!(f, "{}", Indent(struct_))?;
        }
        for (_, mapping) in self.mappings.iter() {
            writeln!(f, "{};", Indent(mapping))?;
        }
        for (_, function) in self.functions.iter() {
            writeln!(f, "{}", Indent(function))?;
        }
        write!(f, "}}")
    }
}