48 lines
1.7 KiB
Rust
48 lines
1.7 KiB
Rust
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use crate::{obj::{prelude::*, reserved::*}, vm::signal::*};
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use maplit::btreemap;
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use once_cell::sync::Lazy;
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use std::collections::BTreeMap;
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pub static PRINTLN_BUILTIN_FUN: Lazy<NativeFunRef> = Lazy::new(|| NativeFun::new_obj(|_, vm, args| {
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// TODO : use __get_attr__ when it gets added
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let to_string = {
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let obj_ref = &args[0];
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read_obj!(let obj = obj_ref);
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obj.get_attr(STR_MEMBER_NAME.sym)
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.or_else(|| obj.get_attr(REPR_MEMBER_NAME.sym))
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.expect("no __str__ or __repr__ member")
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};
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let return_value = vm.call(to_string, vec![]);
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let str_ref: &StrRef = std::any::Any::downcast_ref(&return_value).expect("to_string to return str value");
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{
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read_obj!(let str_obj = str_ref);
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println!("{}", str_obj.value());
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}
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Signal::Return
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}));
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pub static PRINT_BUILTIN_FUN: Lazy<NativeFunRef> = Lazy::new(|| NativeFun::new_obj(|_, vm, args| {
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// TODO : use __get_attr__ when it gets added
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let to_string = {
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let obj_ref = &args[0];
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read_obj!(let obj = obj_ref);
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obj.get_attr(STR_MEMBER_NAME.sym)
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.or_else(|| obj.get_attr(REPR_MEMBER_NAME.sym))
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.expect("no __str__ or __repr__ member")
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};
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let return_value = vm.call(to_string, vec![]);
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let str_ref: &StrRef = std::any::Any::downcast_ref(&return_value).expect("to_string to return str value");
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{
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read_obj!(let str_obj = str_ref);
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print!("{}", str_obj.value());
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}
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Signal::Return
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}));
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pub static BUILTIN_OBJS: Lazy<BTreeMap<Sym, ObjRef>> = Lazy::new(|| btreemap! {
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PRINTLN_BUILTIN_NAME.sym => PRINTLN_BUILTIN_FUN.clone() as _,
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PRINT_BUILTIN_NAME.sym => PRINT_BUILTIN_FUN.clone() as _,
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});
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