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perf: reduce one hashmap lookup

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This commit is contained in:
quake 2022-09-06 12:51:44 +09:00
parent 0f4df9c4e7
commit ab23094d65
1 changed files with 31 additions and 23 deletions
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54
src/eval/expr.rs
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@ -258,31 +258,39 @@ impl Engine {
let cache = caches.fn_resolution_cache_mut();
let func = if let Entry::Vacant(entry) = cache.entry(hash) {
let func = if args.len() == 2 {
get_builtin_binary_op_fn(&name, operands[0], operands[1])
} else {
None
};
let func = match cache.entry(hash) {
Entry::Vacant(entry) => {
let func = if args.len() == 2 {
get_builtin_binary_op_fn(&name, operands[0], operands[1])
} else {
None
};
if let Some(f) = func {
entry.insert(Some(FnResolutionCacheEntry {
func: CallableFunction::from_method(Box::new(f) as Box<FnAny>),
source: None,
}));
&cache.get(&hash).unwrap().as_ref().unwrap().func
} else {
let result = self.exec_fn_call(
None, global, caches, lib, name, *hashes, operands, false, false, pos,
level,
);
return result.map(|(v, ..)| v);
if let Some(f) = func {
&entry
.insert(Some(FnResolutionCacheEntry {
func: CallableFunction::from_method(Box::new(f) as Box<FnAny>),
source: None,
}))
.as_ref()
.unwrap()
.func
} else {
let result = self.exec_fn_call(
None, global, caches, lib, name, *hashes, operands, false, false, pos,
level,
);
return result.map(|(v, ..)| v);
}
}
Entry::Occupied(entry) => {
if let Some(entry) = entry.into_mut() {
&entry.func
} else {
let sig = gen_fn_call_signature(self, name, operands);
return Err(ERR::ErrorFunctionNotFound(sig, pos).into());
}
}
} else if let Some(entry) = cache.get(&hash).unwrap() {
&entry.func
} else {
let sig = gen_fn_call_signature(self, name, operands);
return Err(ERR::ErrorFunctionNotFound(sig, pos).into());
};
let context = (self, name, None, &*global, lib, pos, level).into();