93 lines
3.2 KiB
Rust
93 lines
3.2 KiB
Rust
use crate::def_package;
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use crate::engine::{FUNC_TO_STRING, KEYWORD_DEBUG, KEYWORD_PRINT};
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use crate::module::FuncReturn;
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use crate::parser::{ImmutableString, INT};
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#[cfg(not(feature = "no_index"))]
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use crate::engine::Array;
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#[cfg(not(feature = "no_object"))]
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use crate::engine::Map;
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use crate::stdlib::{
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fmt::{Debug, Display},
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format,
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string::ToString,
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};
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// Register print and debug
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fn to_debug<T: Debug>(x: &mut T) -> FuncReturn<ImmutableString> {
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Ok(format!("{:?}", x).into())
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}
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fn to_string<T: Display>(x: &mut T) -> FuncReturn<ImmutableString> {
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Ok(format!("{}", x).into())
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}
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#[cfg(not(feature = "no_object"))]
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fn format_map(x: &mut Map) -> FuncReturn<ImmutableString> {
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Ok(format!("#{:?}", x).into())
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}
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macro_rules! reg_op {
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($lib:expr, $op:expr, $func:ident, $($par:ty),*) => {
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$( $lib.set_fn_1_mut($op, $func::<$par>); )*
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};
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}
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def_package!(crate:BasicStringPackage:"Basic string utilities, including printing.", lib, {
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reg_op!(lib, KEYWORD_PRINT, to_string, INT, bool, char);
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reg_op!(lib, FUNC_TO_STRING, to_string, INT, bool, char);
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lib.set_fn_0(KEYWORD_PRINT, || Ok("".to_string()));
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lib.set_fn_1(KEYWORD_PRINT, |_: ()| Ok("".to_string()));
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lib.set_fn_1(FUNC_TO_STRING, |_: ()| Ok("".to_string()));
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lib.set_fn_1(KEYWORD_PRINT, |s: ImmutableString| Ok(s));
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lib.set_fn_1(FUNC_TO_STRING, |s: ImmutableString| Ok(s));
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reg_op!(lib, KEYWORD_DEBUG, to_debug, INT, bool, (), char, ImmutableString);
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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, KEYWORD_PRINT, to_string, i8, u8, i16, u16, i32, u32);
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reg_op!(lib, FUNC_TO_STRING, to_string, i8, u8, i16, u16, i32, u32);
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reg_op!(lib, KEYWORD_DEBUG, to_debug, i8, u8, i16, u16, i32, u32);
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reg_op!(lib, KEYWORD_PRINT, to_string, i64, u64);
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reg_op!(lib, FUNC_TO_STRING, to_string, i64, u64);
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reg_op!(lib, KEYWORD_DEBUG, to_debug, i64, u64);
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#[cfg(not(target_arch = "wasm32"))]
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{
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reg_op!(lib, KEYWORD_PRINT, to_string, i128, u128);
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reg_op!(lib, FUNC_TO_STRING, to_string, i128, u128);
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reg_op!(lib, KEYWORD_DEBUG, to_debug, i128, u128);
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}
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}
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#[cfg(not(feature = "no_float"))]
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{
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reg_op!(lib, KEYWORD_PRINT, to_string, f32, f64);
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reg_op!(lib, FUNC_TO_STRING, to_string, f32, f64);
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reg_op!(lib, KEYWORD_DEBUG, to_debug, f32, f64);
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}
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#[cfg(not(feature = "no_index"))]
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{
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reg_op!(lib, KEYWORD_PRINT, to_debug, Array);
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reg_op!(lib, FUNC_TO_STRING, to_debug, Array);
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reg_op!(lib, KEYWORD_DEBUG, to_debug, Array);
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}
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#[cfg(not(feature = "no_object"))]
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{
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lib.set_fn_1_mut(KEYWORD_PRINT, format_map);
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lib.set_fn_1_mut(FUNC_TO_STRING, format_map);
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lib.set_fn_1_mut(KEYWORD_DEBUG, format_map);
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}
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lib.set_fn_2("+", |s: ImmutableString, ch: char| Ok(s + ch));
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lib.set_fn_2_mut("+=", |s: &mut ImmutableString, ch: char| { *s += ch; Ok(()) });
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lib.set_fn_2_mut("append", |s: &mut ImmutableString, ch: char| { *s += ch; Ok(()) });
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lib.set_fn_2_mut("append", |s: &mut ImmutableString, s2: ImmutableString| { *s += &s2; Ok(()) });
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});
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