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optimize cycleentry generation

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This commit is contained in:
Folkert 2021-04-10 22:00:45 +02:00
parent 112e97c4a2
commit ebd6ee3f14
1 changed files with 12 additions and 23 deletions
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35
compiler/can/src/def.rs
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@ -530,7 +530,7 @@ pub fn sort_can_defs(
if is_invalid_cycle {
// We want to show the entire cycle in the error message, so expand it out.
let mut loc_symbols = Vec::new();
let mut entries = Vec::new();
for symbol in &cycle {
match refs_by_symbol.get(symbol) {
@ -539,33 +539,22 @@ pub fn sort_can_defs(
symbol, refs_by_symbol
),
Some((region, _)) => {
loc_symbols.push(Located::at(*region, symbol));
let expr_region =
can_defs_by_symbol.get(&symbol).unwrap().loc_expr.region;
let entry = CycleEntry {
symbol: *symbol,
symbol_region: *region,
expr_region,
};
entries.push(entry);
}
}
}
let mut regions = Vec::with_capacity(can_defs_by_symbol.len());
for def in can_defs_by_symbol.values() {
regions.push((def.loc_pattern.region, def.loc_expr.region));
}
// Sort them by line number to make the report more helpful.
loc_symbols.sort();
regions.sort();
debug_assert_eq!(loc_symbols.len(), regions.len());
let mut entries = Vec::with_capacity(loc_symbols.len());
for (loc_symbol, (symbol_region, expr_region)) in
loc_symbols.iter().zip(regions)
{
entries.push(CycleEntry {
symbol: *loc_symbol.value,
symbol_region,
expr_region,
})
}
entries.sort_by_key(|entry| entry.symbol_region);
problems.push(Problem::RuntimeError(RuntimeError::CircularDef(
entries.clone(),