leo_passes/processing_script/
ast.rs

1// Copyright (C) 2019-2025 Provable Inc.
2// This file is part of the Leo library.
3
4// The Leo library is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// The Leo library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
16
17use super::ProcessingScriptVisitor;
18
19use leo_ast::{AstReconstructor, CallExpression, Expression, Location, Variant};
20use leo_errors::TypeCheckerError;
21
22impl AstReconstructor for ProcessingScriptVisitor<'_> {
23    type AdditionalInput = ();
24    type AdditionalOutput = ();
25
26    /* Expressions */
27    fn reconstruct_call(&mut self, input: CallExpression, _additional: &()) -> (Expression, Self::AdditionalOutput) {
28        if !matches!(self.current_variant, Variant::Script) {
29            let callee_program = input.program.unwrap_or(self.program_name);
30
31            let Some(func_symbol) = self
32                .state
33                .symbol_table
34                .lookup_function(&Location::new(callee_program, input.function.absolute_path().to_vec()))
35            else {
36                panic!("Type checking should have prevented this.");
37            };
38
39            if matches!(func_symbol.function.variant, Variant::Script) {
40                self.state
41                    .handler
42                    .emit_err(TypeCheckerError::non_script_calls_script(input.function.clone(), input.span))
43            }
44        }
45        (input.into(), Default::default())
46    }
47}
leo_passes/processing_script/ast.rs

leo_passes/processing_script/
ast.rs
