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implement ForeignCall function calls

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Folkert 2023-05-02 21:03:50 +02:00
parent ac64e4ab87
commit 13e52844c7
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1 changed files with 25 additions and 1 deletions
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26
crates/compiler/gen_dev/src/lib.rs
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@ -464,7 +464,31 @@ trait Backend<'a> {
CallType::HigherOrder(higher_order) => {
self.build_higher_order_lowlevel(sym, higher_order, *layout)
}
x => todo!("the call type, {:?}", x),
CallType::Foreign {
foreign_symbol,
ret_layout,
} => {
let mut arg_layouts: bumpalo::collections::Vec<InLayout<'a>> =
bumpalo::vec![in self.env().arena];
arg_layouts.reserve(arguments.len());
let layout_map = self.layout_map();
for arg in *arguments {
if let Some(layout) = layout_map.get(arg) {
arg_layouts.push(*layout);
} else {
internal_error!("the argument, {:?}, has no know layout", arg);
}
}
self.load_literal_symbols(arguments);
self.build_fn_call(
sym,
foreign_symbol.as_str().to_string(),
arguments,
arg_layouts.into_bump_slice(),
ret_layout,
);
}
}
}
Expr::EmptyArray => {