104 lines
2.6 KiB
Rust
104 lines
2.6 KiB
Rust
// Copyright 2021-2024 Vector 35 Inc.
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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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use std::ops::Range;
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use crate::architecture::Architecture;
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use crate::basicblock::{BasicBlock, BlockContext};
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use super::*;
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pub struct BlockIter<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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function: &'func Function<A, M, F>,
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range: Range<u64>,
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}
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impl<'func, A, M, F> Iterator for BlockIter<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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type Item = Instruction<'func, A, M, F>;
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fn next(&mut self) -> Option<Self::Item> {
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self.range.next().map(|i| Instruction {
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function: self.function,
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instr_idx: i as usize,
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})
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}
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}
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pub struct Block<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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pub(crate) function: &'func Function<A, M, F>,
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}
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impl<'func, A, M, F> fmt::Debug for Block<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "llil_bb {:?}", self.function)
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}
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}
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impl<'func, A, M, F> BlockContext for Block<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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type Iter = BlockIter<'func, A, M, F>;
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type Instruction = Instruction<'func, A, M, F>;
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fn start(&self, block: &BasicBlock<Self>) -> Instruction<'func, A, M, F> {
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Instruction {
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function: self.function,
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instr_idx: block.raw_start() as usize,
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}
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}
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fn iter(&self, block: &BasicBlock<Self>) -> BlockIter<'func, A, M, F> {
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BlockIter {
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function: self.function,
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range: block.raw_start()..block.raw_end(),
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}
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}
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}
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impl<'func, A, M, F> Clone for Block<'func, A, M, F>
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where
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A: 'func + Architecture,
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M: FunctionMutability,
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F: FunctionForm,
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{
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fn clone(&self) -> Self {
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Block {
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function: self.function,
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}
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}
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}
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