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generate signature for foreign symbols

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Folkert 2020-11-06 23:46:31 +01:00
parent 4b8392696e
commit a6e39e66f1
8 changed files with 75 additions and 31 deletions
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36
compiler/mono/src/ir.rs
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@ -829,7 +829,11 @@ pub enum Expr<'a> {
args: &'a [Symbol],
},
RunLowLevel(LowLevel, &'a [Symbol]),
ForeignCall(ForeignSymbol, &'a [Symbol]),
ForeignCall {
foreign_symbol: ForeignSymbol,
arguments: &'a [Symbol],
ret_layout: Layout<'a>,
},
Tag {
tag_layout: Layout<'a>,
@ -944,11 +948,15 @@ impl<'a> Expr<'a> {
.text(format!("lowlevel {:?} ", lowlevel))
.append(alloc.intersperse(it, " "))
}
ForeignCall(symbol, args) => {
let it = args.iter().map(|s| symbol_to_doc(alloc, *s));
ForeignCall {
foreign_symbol,
arguments,
..
} => {
let it = arguments.iter().map(|s| symbol_to_doc(alloc, *s));
alloc
.text(format!("foreign {:?} ", symbol.as_str()))
.text(format!("foreign {:?} ", foreign_symbol.as_str()))
.append(alloc.intersperse(it, " "))
}
Tag {
@ -3191,7 +3199,11 @@ pub fn with_hole<'a>(
let result = Stmt::Let(
assigned,
Expr::ForeignCall(foreign_symbol.clone(), arg_symbols),
Expr::ForeignCall {
foreign_symbol: foreign_symbol.clone(),
arguments: arg_symbols,
ret_layout: layout.clone(),
},
layout,
hole,
);
@ -4035,10 +4047,14 @@ fn substitute_in_expr<'a>(
None
}
}
ForeignCall(symbol, args) => {
ForeignCall {
foreign_symbol,
arguments,
ret_layout,
} => {
let mut did_change = false;
let new_args = Vec::from_iter_in(
args.iter().map(|s| match substitute(subs, *s) {
arguments.iter().map(|s| match substitute(subs, *s) {
None => *s,
Some(s) => {
did_change = true;
@ -4051,7 +4067,11 @@ fn substitute_in_expr<'a>(
if did_change {
let args = new_args.into_bump_slice();
Some(ForeignCall(symbol.clone(), args))
Some(ForeignCall {
foreign_symbol: foreign_symbol.clone(),
arguments: args,
ret_layout: ret_layout.clone(),
})
} else {
None
}