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codegen: lower repeated and empty_with_sentinel array type

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This commit is contained in:
Jakub Konka
2022-02-20 18:26:09 +01:00
parent 57c9eec232
commit 25d313f911
1 changed files with 50 additions and 1 deletions
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51
src/codegen.zig
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@@ -205,13 +205,62 @@ pub fn generateSymbol(
.appended => {},
.externally_managed => |slice| {
code.appendSliceAssumeCapacity(slice);
return Result{ .appended = {} };
},
.fail => |em| return Result{ .fail = em },
}
}
return Result{ .appended = {} };
},
.repeated => {
const array = typed_value.val.castTag(.repeated).?.data;
const elem_ty = typed_value.ty.childType();
const sentinel = typed_value.ty.sentinel();
const len = typed_value.ty.arrayLen();
var index: u64 = 0;
while (index < len) : (index += 1) {
switch (try generateSymbol(bin_file, parent_atom_index, src_loc, .{
.ty = elem_ty,
.val = array,
}, code, debug_output)) {
.appended => {},
.externally_managed => |slice| {
code.appendSliceAssumeCapacity(slice);
},
.fail => |em| return Result{ .fail = em },
}
}
if (sentinel) |sentinel_val| {
switch (try generateSymbol(bin_file, parent_atom_index, src_loc, .{
.ty = elem_ty,
.val = sentinel_val,
}, code, debug_output)) {
.appended => {},
.externally_managed => |slice| {
code.appendSliceAssumeCapacity(slice);
},
.fail => |em| return Result{ .fail = em },
}
}
return Result{ .appended = {} };
},
.empty_array_sentinel => {
const elem_ty = typed_value.ty.childType();
const sentinel_val = typed_value.ty.sentinel().?;
switch (try generateSymbol(bin_file, parent_atom_index, src_loc, .{
.ty = elem_ty,
.val = sentinel_val,
}, code, debug_output)) {
.appended => {},
.externally_managed => |slice| {
code.appendSliceAssumeCapacity(slice);
},
.fail => |em| return Result{ .fail = em },
}
return Result{ .appended = {} };
},
else => return Result{
.fail = try ErrorMsg.create(
bin_file.allocator,