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Reduce size of Block to 32 bytes

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Using a 32-bit integer to store the line number, as previously discussed.
This commit is contained in:
Mahmoud Al-Qudsi 2024-07-07 20:37:04 -05:00
parent 9edd0cf8ee
commit 92cae9b576
1 changed files with 8 additions and 5 deletions
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13
src/parser.rs
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@ -35,6 +35,7 @@ use fish_printf::sprintf;
use libc::c_int;
use std::cell::{Ref, RefCell, RefMut};
use std::ffi::{CStr, OsStr};
use std::num::NonZeroU32;
use std::os::fd::{AsRawFd, OwnedFd, RawFd};
use std::os::unix::prelude::OsStrExt;
use std::rc::Rc;
@ -75,8 +76,8 @@ pub struct Block {
/// Name of the file that created this block
pub src_filename: Option<Arc<WString>>,
/// Line number where this block was created.
pub src_lineno: Option<usize>,
/// Line number where this block was created, starting from 1.
pub src_lineno: Option<NonZeroU32>,
}
impl Block {
@ -125,7 +126,7 @@ impl Block {
.to_owned();
if let Some(src_lineno) = self.src_lineno {
result.push_utfstr(&sprintf!(" (line %d)", src_lineno));
result.push_utfstr(&sprintf!(" (line %d)", src_lineno.get()));
}
if let Some(src_filename) = &self.src_filename {
result.push_utfstr(&sprintf!(" (file %ls)", src_filename));
@ -845,7 +846,9 @@ impl Parser {
/// Pushes a new block. Returns a pointer to the block, stored in the parser.
pub fn push_block(&self, mut block: Block) -> BlockId {
block.src_lineno = self.get_lineno();
block.src_lineno = self
.get_lineno()
.and_then(|num| NonZeroU32::new(num.try_into().unwrap_or(u32::MAX)));
block.src_filename = self.current_filename();
if block.typ() != BlockType::top {
let new_scope = block.typ() == BlockType::function_call { shadows: true };
@ -1222,7 +1225,7 @@ fn append_block_description_to_stack_trace(parser: &Parser, b: &Block, trace: &m
if let Some(file) = b.src_filename.as_ref() {
trace.push_utfstr(&sprintf!(
"\tcalled on line %d of file %ls\n",
b.src_lineno.unwrap_or(0),
b.src_lineno.map(|n| n.get()).unwrap_or(0),
user_presentable_path(file, parser.vars())
));
} else if parser.libdata().within_fish_init {