125 lines
3.5 KiB
Rust
125 lines
3.5 KiB
Rust
use super::{reg_binary, reg_binary_mut, reg_trinary_mut, reg_unary_mut};
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use crate::any::{Dynamic, Variant};
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use crate::def_package;
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use crate::engine::Array;
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use crate::fn_register::{map_dynamic as map, map_identity as pass};
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use crate::parser::INT;
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use crate::stdlib::{any::TypeId, boxed::Box, string::String};
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// Register array utility functions
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fn push<T: Variant + Clone>(list: &mut Array, item: T) {
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list.push(Dynamic::from(item));
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}
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fn ins<T: Variant + Clone>(list: &mut Array, position: INT, item: T) {
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if position <= 0 {
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list.insert(0, Dynamic::from(item));
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} else if (position as usize) >= list.len() - 1 {
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push(list, item);
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} else {
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list.insert(position as usize, Dynamic::from(item));
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}
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}
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fn pad<T: Variant + Clone>(list: &mut Array, len: INT, item: T) {
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if len >= 0 {
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while list.len() < len as usize {
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push(list, item.clone());
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}
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}
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}
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macro_rules! reg_op { ($lib:expr, $op:expr, $func:ident, $($par:ty),*) => {
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$(reg_binary_mut($lib, $op, $func::<$par>, map);)* };
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}
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macro_rules! reg_tri { ($lib:expr, $op:expr, $func:ident, $($par:ty),*) => {
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$(reg_trinary_mut($lib, $op, $func::<$par>, map);)* };
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}
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#[cfg(not(feature = "no_index"))]
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def_package!(crate:BasicArrayPackage:"Basic array utilities.", lib, {
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reg_op!(lib, "push", push, INT, bool, char, String, Array, ());
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reg_tri!(lib, "pad", pad, INT, bool, char, String, Array, ());
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reg_tri!(lib, "insert", ins, INT, bool, char, String, Array, ());
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reg_binary_mut(lib, "append", |x: &mut Array, y: Array| x.extend(y), map);
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reg_binary(
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lib,
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"+",
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|mut x: Array, y: Array| {
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x.extend(y);
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x
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},
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map,
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);
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#[cfg(not(feature = "only_i32"))]
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#[cfg(not(feature = "only_i64"))]
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{
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reg_op!(lib, "push", push, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
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reg_tri!(lib, "pad", pad, i8, u8, i16, u16, i32, u32, i64, u64, i128, u128);
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reg_tri!(lib, "insert", ins, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
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}
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#[cfg(not(feature = "no_float"))]
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{
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reg_op!(lib, "push", push, f32, f64);
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reg_tri!(lib, "pad", pad, f32, f64);
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reg_tri!(lib, "insert", ins, f32, f64);
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}
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reg_unary_mut(
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lib,
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"pop",
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|list: &mut Array| list.pop().unwrap_or_else(|| ().into()),
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pass,
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);
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reg_unary_mut(
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lib,
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"shift",
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|list: &mut Array| {
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if list.is_empty() {
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().into()
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} else {
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list.remove(0)
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}
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},
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pass,
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);
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reg_binary_mut(
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lib,
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"remove",
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|list: &mut Array, len: INT| {
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if len < 0 || (len as usize) >= list.len() {
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().into()
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} else {
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list.remove(len as usize)
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}
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},
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pass,
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);
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reg_unary_mut(lib, "len", |list: &mut Array| list.len() as INT, map);
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reg_unary_mut(lib, "clear", |list: &mut Array| list.clear(), map);
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reg_binary_mut(
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lib,
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"truncate",
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|list: &mut Array, len: INT| {
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if len >= 0 {
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list.truncate(len as usize);
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} else {
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list.clear();
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}
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},
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map,
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);
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// Register array iterator
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lib.type_iterators.insert(
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TypeId::of::<Array>(),
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Box::new(|a: Dynamic| {
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Box::new(a.cast::<Array>().into_iter())
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as Box<dyn Iterator<Item = Dynamic>>
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}),
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);
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});
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