mirror of
https://github.com/fluencelabs/aquavm
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65 lines
2.2 KiB
Rust
65 lines
2.2 KiB
Rust
/*
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* Copyright 2020 Fluence Labs Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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mod executed_state;
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pub use executed_state::CallResult;
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pub use executed_state::ExecutedState;
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use serde::Deserialize;
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use serde::Serialize;
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use std::fmt::Display;
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use std::fmt::Formatter;
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pub type ExecutionTrace = std::collections::VecDeque<ExecutedState>;
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/// Encapsulates all necessary state regarding to the call paths.
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#[derive(Debug, Clone, Default, Serialize, Deserialize)]
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pub(crate) struct ExecutionTraceCtx {
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/// Contains trace (serialized tree of states) after merging current and previous data,
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/// interpreter used it to realize which instructions have been already executed.
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pub(crate) current_trace: ExecutionTrace,
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/// Size of a current considered subtree inside current path.
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pub(crate) current_subtree_size: usize,
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// TODO: consider change it to Vec for optimization
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/// Stream for resulted path produced by the interpreter after execution.
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pub(crate) new_trace: ExecutionTrace,
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}
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impl ExecutionTraceCtx {
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pub fn new(current_trace: ExecutionTrace) -> Self {
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let current_subtree_size = current_trace.len();
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// a new execution trace will contain at least current_path.len() elements
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let new_trace = ExecutionTrace::with_capacity(current_subtree_size);
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Self {
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current_trace,
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current_subtree_size,
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new_trace,
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}
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}
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}
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impl Display for ExecutionTraceCtx {
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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writeln!(f, "current trace:\n{:?}", self.current_trace)?;
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writeln!(f, "current subtree elements count:\n{:?}", self.current_subtree_size)?;
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writeln!(f, "new trace:\n{:?}", self.new_trace)
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}
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}
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