1  // Copyright (C) 2019-2025 ADnet Contributors
  2  // This file is part of the ADL library.
  3  
  4  // The ADL 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 ADL 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 ADL library. If not, see <https://www.gnu.org/licenses/>.
 16  
 17  use super::ProcessingAsyncVisitor;
 18  use adl_ast::{
 19      AstReconstructor,
 20      ConstParameter,
 21      Function,
 22      Input,
 23      Node,
 24      Output,
 25      ProgramReconstructor,
 26      ProgramScope,
 27      Statement,
 28  };
 29  
 30  impl ProgramReconstructor for ProcessingAsyncVisitor<'_> {
 31      /// Reconstructs a `ProgramScope` by rewriting all contained elements:
 32      /// - Updates the current program context.
 33      /// - Reconstructs all functions using `reconstruct_function`.
 34      /// - Reconstructs composites, mappings, and constants.
 35      /// - Inserts reconstructed functions, including any newly created async functions,
 36      ///   placing transitions before other functions.
 37      ///
 38      /// This prepares the scope for further analysis or compilation, ensuring all
 39      /// components have gone through transformation.
 40      fn reconstruct_program_scope(&mut self, input: ProgramScope) -> ProgramScope {
 41          // Set the current program context
 42          self.current_program = input.program_id.name.name;
 43  
 44          // Reconstruct all functions and store them temporarily. This process also populates
 45          // `new_async_functions`.
 46          let mut reconstructed_functions: Vec<_> =
 47              input.functions.iter().map(|(name, func)| (*name, self.reconstruct_function(func.clone()))).collect();
 48  
 49          // Now append all newly created `async` functions. This ensures transition functions still show up before all other functions.
 50          reconstructed_functions.append(&mut self.new_async_functions);
 51  
 52          ProgramScope {
 53              program_id: input.program_id,
 54              composites: input.composites.into_iter().map(|(id, def)| (id, self.reconstruct_composite(def))).collect(),
 55              mappings: input.mappings.into_iter().map(|(id, mapping)| (id, self.reconstruct_mapping(mapping))).collect(),
 56              storage_variables: input
 57                  .storage_variables
 58                  .into_iter()
 59                  .map(|(id, storage_variable)| (id, self.reconstruct_storage_variable(storage_variable)))
 60                  .collect(),
 61              functions: reconstructed_functions,
 62              constructor: input.constructor,
 63              consts: input
 64                  .consts
 65                  .into_iter()
 66                  .map(|(id, stmt)| match self.reconstruct_const(stmt) {
 67                      (Statement::Const(decl), _) => (id, decl),
 68                      _ => panic!("`reconstruct_const` must return `Statement::Const`"),
 69                  })
 70                  .collect(),
 71              span: input.span,
 72          }
 73      }
 74  
 75      fn reconstruct_function(&mut self, input: Function) -> Function {
 76          self.current_function = input.name();
 77  
 78          // Enter the scope of the function for correct symbols lookup later
 79          self.in_scope(input.id(), |slf| Function {
 80              annotations: input.annotations,
 81              variant: input.variant,
 82              identifier: input.identifier,
 83              const_parameters: input
 84                  .const_parameters
 85                  .iter()
 86                  .map(|param| ConstParameter { type_: slf.reconstruct_type(param.type_.clone()).0, ..param.clone() })
 87                  .collect(),
 88              input: input
 89                  .input
 90                  .iter()
 91                  .map(|input| Input { type_: slf.reconstruct_type(input.type_.clone()).0, ..input.clone() })
 92                  .collect(),
 93              output: input
 94                  .output
 95                  .iter()
 96                  .map(|output| Output { type_: slf.reconstruct_type(output.type_.clone()).0, ..output.clone() })
 97                  .collect(),
 98              output_type: slf.reconstruct_type(input.output_type).0,
 99              block: slf.reconstruct_block(input.block).0,
100              span: input.span,
101              id: input.id,
102          })
103      }
104  }