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Build in array/blob concat functions.

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This commit is contained in:
Stephen Chung
2021-12-22 19:59:48 +08:00
parent 422db4269e
commit 3751b6d018
4 changed files with 55 additions and 49 deletions
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53
src/func/builtin.rs
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@@ -48,6 +48,8 @@ fn is_numeric(type_id: TypeId) -> bool {
}
/// Build in common binary operator implementations to avoid the cost of calling a registered function.
///
/// The return function will be registered as a _method_, so the first parameter cannot be consumed.
#[must_use]
pub fn get_builtin_binary_op_fn(
op: &str,
@@ -291,28 +293,6 @@ pub fn get_builtin_binary_op_fn(
}
if type1 == type2 {
return match op {
"+" => Some(|_, args| {
let blob1 = &*args[0].read_lock::<Blob>().expect(BUILTIN);
let blob2 = &*args[1].read_lock::<Blob>().expect(BUILTIN);
let result = if blob1.is_empty() {
if blob2.is_empty() {
Blob::new()
} else {
blob2.clone()
}
} else {
if blob2.is_empty() {
blob1.clone()
} else {
let mut blob = Blob::with_capacity(blob1.len() + blob2.len());
blob.extend_from_slice(blob1);
blob.extend_from_slice(blob2);
blob
}
};
Ok(Dynamic::from_blob(result)) // do not use result.into() because it'll convert into an Array
}),
"==" => Some(impl_op!(Blob == Blob)),
"!=" => Some(impl_op!(Blob != Blob)),
_ => None,
@@ -533,6 +513,8 @@ pub fn get_builtin_binary_op_fn(
}
/// Build in common operator assignment implementations to avoid the cost of calling a registered function.
///
/// The return function is registered as a _method_, so the first parameter cannot be consumed.
#[must_use]
pub fn get_builtin_op_assignment_fn(
op: &str,
@@ -770,22 +752,31 @@ pub fn get_builtin_op_assignment_fn(
};
}
#[cfg(not(feature = "no_index"))]
if type1 == TypeId::of::<crate::Array>() {
use crate::packages::array_basic::array_functions::*;
use crate::Array;
return match op {
"+=" => Some(|_, args| {
let array2 = std::mem::take(args[1]).cast::<Array>();
let array1 = &mut *args[0].write_lock::<Array>().expect(BUILTIN);
Ok(append(array1, array2).into())
}),
_ => None,
};
}
#[cfg(not(feature = "no_index"))]
if type1 == TypeId::of::<crate::Blob>() {
use crate::packages::blob_basic::blob_functions::*;
use crate::Blob;
return match op {
"+=" => Some(|_, args| {
let blob2 = std::mem::take(args[1]).cast::<Blob>();
let mut blob1 = args[0].write_lock::<Blob>().expect(BUILTIN);
if !blob2.is_empty() {
if blob1.is_empty() {
*blob1 = blob2;
} else {
blob1.extend_from_slice(&blob2);
}
}
Ok(Dynamic::UNIT)
let blob1 = &mut *args[0].write_lock::<Blob>().expect(BUILTIN);
Ok(append(blob1, blob2).into())
}),
_ => None,
};