2024-06-26 12:34:36 +03:00

100 lines
3.5 KiB
Rust

/*
* AquaVM Workflow Engine
*
* Copyright (C) 2024 Fluence DAO
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation version 3 of the
* License.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use super::fold::*;
use super::ExecutableInstruction;
use super::ExecutionCtx;
use super::ExecutionResult;
use super::TraceHandler;
use crate::execution_step::value_types::IterableValue;
use crate::execution_step::Joinable;
use crate::joinable;
use crate::log_instruction;
use air_parser::ast::FoldScalar;
use air_parser::ast::FoldScalarIterable;
use air_parser::ast::Instruction;
use std::rc::Rc;
impl<'i> ExecutableInstruction<'i> for FoldScalar<'i> {
fn execute(&self, exec_ctx: &mut ExecutionCtx<'i>, trace_ctx: &mut TraceHandler) -> ExecutionResult<()> {
log_instruction!(fold, exec_ctx, trace_ctx);
let iterable = match &self.iterable {
FoldScalarIterable::Scalar(scalar) => {
joinable!(create_scalar_iterable(exec_ctx, scalar.name), exec_ctx, ())?
}
FoldScalarIterable::ScalarWithLambda(scalar) => {
joinable!(create_scalar_wl_iterable(scalar, exec_ctx), exec_ctx, ())?
}
FoldScalarIterable::CanonStream(canon_stream) => {
joinable!(create_canon_stream_iterable_value(canon_stream, exec_ctx), exec_ctx, ())?
}
FoldScalarIterable::CanonStreamMap(canon_stream_map) => joinable!(
create_canon_stream_map_iterable_value(canon_stream_map, exec_ctx),
exec_ctx,
()
)?,
FoldScalarIterable::CanonStreamMapWithLambda(canon_stream_map) => joinable!(
create_canon_stream_map_wl_iterable_value(canon_stream_map, exec_ctx),
exec_ctx,
()
)?,
// just do nothing on an empty array
FoldScalarIterable::EmptyArray => return Ok(()),
};
match iterable {
// just exit on empty iterable
FoldIterableScalar::Empty => Ok(()),
FoldIterableScalar::ScalarBased(iterable) => fold(
iterable,
IterableType::Scalar,
self.iterator.name,
self.instruction.clone(),
self.last_instruction.clone(),
exec_ctx,
trace_ctx,
),
}
}
}
pub(super) fn fold<'i>(
iterable: IterableValue,
iterable_type: IterableType,
iterator: &'i str,
instruction: Rc<Instruction<'i>>,
last_instruction: Option<Rc<Instruction<'i>>>,
exec_ctx: &mut ExecutionCtx<'i>,
trace_ctx: &mut TraceHandler,
) -> ExecutionResult<()> {
let fold_state = FoldState::from_iterable(iterable, iterable_type, instruction.clone(), last_instruction);
exec_ctx.scalars.meet_fold_start();
exec_ctx.scalars.set_iterable_value(iterator, fold_state)?;
let result = instruction.execute(exec_ctx, trace_ctx);
exec_ctx.scalars.remove_iterable_value(iterator);
exec_ctx.scalars.meet_fold_end();
result
}