Sha256: ec6717063b0b7f2e9aa17ae52083019cee52594bf5a8b6858f2d77b10d7a0639
Contents?: true
Size: 1.71 KB
Versions: 34
Compression:
Stored size: 1.71 KB
Contents
/* Copyright 2018 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use crate::{BinaryReader, FromReader, OperatorsReader, Result};
/// Represents an initialization expression.
#[derive(Debug, Copy, Clone)]
pub struct ConstExpr<'a> {
offset: usize,
data: &'a [u8],
}
impl<'a> ConstExpr<'a> {
/// Constructs a new `ConstExpr` from the given data and offset.
pub fn new(data: &[u8], offset: usize) -> ConstExpr {
ConstExpr { offset, data }
}
/// Gets a binary reader for the initialization expression.
pub fn get_binary_reader(&self) -> BinaryReader<'a> {
BinaryReader::new_with_offset(self.data, self.offset)
}
/// Gets an operators reader for the initialization expression.
pub fn get_operators_reader(&self) -> OperatorsReader<'a> {
OperatorsReader::new(self.get_binary_reader())
}
}
impl<'a> FromReader<'a> for ConstExpr<'a> {
fn from_reader(reader: &mut BinaryReader<'a>) -> Result<Self> {
// FIXME(#188) ideally shouldn't need to skip here
let reader = reader.skip(|r| r.skip_const_expr())?;
Ok(ConstExpr::new(
reader.remaining_buffer(),
reader.original_position(),
))
}
}
Version data entries
34 entries across 26 versions & 1 rubygems