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link.Wasm: correctly fetch source location when decl is a type

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The comment explains the situation here. This is a bit of a hack, and
should be reworked when `Decl` is properly split up.
This commit is contained in:
mlugg
2024-06-18 04:30:06 +01:00
parent f37d0725fa
commit edf14777ba
1 changed files with 11 additions and 1 deletions
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12
src/link/Wasm/ZigObject.zig
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@@ -484,7 +484,17 @@ pub fn lowerUnnamedConst(zig_object: *ZigObject, wasm_file: *Wasm, val: Value, d
});
defer gpa.free(name);
switch (try zig_object.lowerConst(wasm_file, name, val, decl.navSrcLoc(mod).upgrade(mod))) {
// We want to lower the source location of `decl`. However, when generating
// lazy functions (for e.g. `@tagName`), `decl` may correspond to a type
// rather than a `Nav`!
// The future split of `Decl` into `Nav` and `Cau` may require rethinking this
// logic. For now, just get the source location conditionally as needed.
const decl_src = if (decl.typeOf(mod).toIntern() == .type_type)
decl.val.toType().srcLoc(mod)
else
decl.navSrcLoc(mod);
switch (try zig_object.lowerConst(wasm_file, name, val, decl_src.upgrade(mod))) {
.ok => |atom_index| {
try wasm_file.getAtomPtr(parent_atom_index).locals.append(gpa, atom_index);
return @intFromEnum(wasm_file.getAtom(atom_index).sym_index);