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Start typechecking generics

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This commit is contained in:
nora 2023-11-06 20:41:49 +01:00
parent bf73203182
commit 01d4238269
15 changed files with 248 additions and 19 deletions
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15
src/printer.ts
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@ -65,6 +65,11 @@ function printFunction(func: ItemFunction<AnyPhase>): string {
}
function printTypeDef(type: ItemType<AnyPhase>): string {
const head = `type ${type.name}${
type.generics.length === 0
? ""
: `[${type.generics.map((ident) => ident.name).join(", ")}]`
} = `;
switch (type.type.kind) {
case "struct": {
const { fields } = type.type;
@ -75,10 +80,10 @@ function printTypeDef(type: ItemType<AnyPhase>): string {
const fieldPart =
fields.length === 0 ? "{}" : `{\n${fieldStr.join("\n")}\n}`;
return `type ${type.name} = ${fieldPart};`;
return head + `${fieldPart};`;
}
case "alias": {
return `type ${type.name} = ${printType(type.type.type)}`;
return head + `${printType(type.type.type)}`;
}
}
}
@ -236,6 +241,9 @@ function printRes(res: Resolution): string {
case "builtin": {
return `#B`;
}
case "tyParam": {
return `#P${res.index}`;
}
case "error": {
return "#E";
}
@ -283,6 +291,9 @@ export function printTy(ty: Ty): string {
case "never": {
return "!";
}
case "param": {
return ty.name;
}
case "error":
return "<ERROR>";
}