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Enable multiple functions exposed to the host

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Brendan Hansknecht 2024-10-06 18:30:09 -07:00
parent c61b7bf2a6
commit a9d1327dd1
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7 changed files with 63 additions and 13 deletions
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35
crates/compiler/alias_analysis/src/lib.rs
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@ -238,6 +238,7 @@ where
match entry_point {
EntryPoint::Single(SingleEntryPoint {
name: entry_point_name,
symbol: entry_point_symbol,
layout: entry_point_layout,
}) => {
@ -263,9 +264,41 @@ where
type_definitions.extend(env.type_names);
let entry_point_name = FuncName(ENTRY_POINT_NAME);
let entry_point_name = FuncName(entry_point_name.as_bytes());
m.add_func(entry_point_name, entry_point_function)?;
}
EntryPoint::Multiple(entry_points) => {
for SingleEntryPoint {
name: entry_point_name,
symbol: entry_point_symbol,
layout: entry_point_layout,
} in entry_points
{
let roc_main_bytes = func_name_bytes_help(
*entry_point_symbol,
entry_point_layout.arguments.iter().copied(),
Niche::NONE,
entry_point_layout.result,
);
let roc_main = FuncName(&roc_main_bytes);
let mut env = Env::new();
let entry_point_function = build_entry_point(
&mut env,
interner,
*entry_point_layout,
Some(roc_main),
&host_exposed_functions,
&erased_functions,
)?;
type_definitions.extend(env.type_names);
let entry_point_name = FuncName(entry_point_name.as_bytes());
m.add_func(entry_point_name, entry_point_function)?;
}
}
EntryPoint::Expects { symbols } => {
// construct a big pattern match picking one of the expects at random
let layout: ProcLayout<'a> = ProcLayout {