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use crate::unit::Label;
use crate::{Source, Span};
/// Debug information about a unit.
#[derive(Debug, Default)]
pub struct DebugInfo {
/// File ids to source files.
pub sources: Vec<Source>,
/// Debug information on each instruction.
pub instructions: Vec<DebugInst>,
}
impl DebugInfo {
/// Get the source for the given source id.
pub fn source_at(&self, source_id: usize) -> Option<&Source> {
self.sources.get(source_id)
}
/// Get debug instruction at the given instruction pointer.
pub fn instruction_at(&self, ip: usize) -> Option<&DebugInst> {
self.instructions.get(ip)
}
/// Insert a source.
pub fn insert_source(&mut self, source: Source) -> usize {
let source_id = self.sources.len();
self.sources.push(source);
source_id
}
/// Iterate over all sources.
pub fn sources(&self) -> impl Iterator<Item = (usize, &Source)> {
self.sources.iter().enumerate()
}
}
/// Debug information for every instruction.
#[derive(Debug)]
pub struct DebugInst {
/// The file by id the instruction belongs to.
pub source_id: usize,
/// The span of the instruction.
pub span: Span,
/// The comment for the line.
pub comment: Option<String>,
/// Label associated with the location.
pub label: Option<Label>,
}