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implement some more stuff around raw pointers

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nora 2023-11-05 11:29:41 +01:00
parent ef04f21100
commit 3af8f4fc40
8 changed files with 67 additions and 17 deletions
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9
src/codegen.ts
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@ -669,6 +669,9 @@ function lowerExpr(
break;
case "print":
todo("print function");
case "__NULL":
instrs.push({ kind: "i32.const", imm: 0n });
break;
default: {
unreachable(`${res.name}#B is not a value`);
}
@ -688,7 +691,8 @@ function lowerExpr(
const rhsTy = expr.rhs.ty;
if (
(lhsTy.kind === "int" && rhsTy.kind === "int") ||
(lhsTy.kind === "i32" && rhsTy.kind === "i32")
(lhsTy.kind === "i32" && rhsTy.kind === "i32") ||
(lhsTy.kind === "rawptr" && rhsTy.kind === "rawptr")
) {
let kind: wasm.Instr["kind"];
const valty = lhsTy.kind === "int" ? "i64" : "i32";
@ -1332,6 +1336,9 @@ function sizeOfValtype(type: wasm.ValType): number {
export function layoutOfStruct(ty_: TyStruct | TyRawPtr): StructLayout {
const ty = ty_.kind === "struct" ? ty_ : ty_.inner;
if (ty.kind !== "struct") {
unreachable("must be struct");
}
const fieldWasmTys = ty.fields.map(([, field]) => wasmTypeForBody(field));
// TODO: Use the max alignment instead.