| author |  Andrew Kelley <andrew@ziglang.org> 2026-03-13 14:12:37-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2026-05-25 18:54:34-07:00 |
| log | 6ad6a58e5dcb2d127f980cfb9d3edd7cf1964852 |
| tree | 6e02b6fb17afbcb036434d41f74ca78c0ee1ec50 |
| parent | a60ffaf5b357cd85200fffba8bd0e98df5f91a16 |
Configuration: fix bad serialization of PrefixedList and MultiList
Length zero is still serialized because there is no flag bit to hide the
length.4 files changed, 13 insertions(+), 7 deletions(-)
- BRANCH_TODO
lib- compiler
- std
- Build
BRANCH_TODO+1-1
| ... | ... | @@ -1,4 +1,4 @@ |
| 1 | * replace union(@This().Tag) | |
| 1 | * maxInt(u32) -> max_u32 | |
| 2 | 2 | * replace b.dupe() with string internment |
| 3 | 3 | * don't forget to add -listen arg back |
| 4 | 4 | * get zig init template working |
lib/compiler/Maker/ScannedConfig.zig+2-2
| ... | ... | @@ -68,8 +68,8 @@ fn printValue(sc: *const ScannedConfig, s: *Serializer, comptime Field: type, fi |
| 68 | 68 | Configuration.String => { |
| 69 | 69 | try s.value(field_value.slice(c), .{}); |
| 70 | 70 | }, |
| 71 | Configuration.Deps => { | |
| 72 | try printValue(sc, s, []Configuration.Step.Index, field_value.slice(c)); | |
| 71 | Configuration.Deps.Index => { | |
| 72 | try printValue(sc, s, []const Configuration.Step.Index, field_value.get(c).steps.slice); | |
| 73 | 73 | }, |
| 74 | 74 | Configuration.MaxRss => { |
| 75 | 75 | try s.value(field_value.toBytes(), .{}); |
lib/compiler/configurer.zig+1
| ... | ... | @@ -528,6 +528,7 @@ fn serialize(b: *std.Build, wc: *Configuration.Wip, writer: *Io.Writer) !void { |
| 528 | 528 | const dep_steps = try arena.alloc(Configuration.Step.Index, step.dependencies.items.len); |
| 529 | 529 | for (dep_steps, step.dependencies.items) |*dest, src| |
| 530 | 530 | dest.* = @enumFromInt(s.step_map.getIndex(src).?); |
| 531 | ||
| 531 | 532 | const deps: Configuration.Deps.Index = @enumFromInt(try wc.addDeduped(@as(Configuration.Deps, .{ |
| 532 | 533 | .steps = .{ .slice = dep_steps }, |
| 533 | 534 | }))); |
lib/std/Build/Configuration.zig+9-4
| ... | ... | @@ -346,7 +346,7 @@ pub const Wip = struct { |
| 346 | 346 | try wip.extra.ensureUnusedCapacity(gpa, extra_len); |
| 347 | 347 | const new_index = addExtraAssumeCapacity(wip, extra); |
| 348 | 348 | const len: u32 = @intCast(wip.extra.items.len - new_index); |
| 349 | ||
| 349 | assert(len != 0); | |
| 350 | 350 | const gop = try wip.dedupe_table.getOrPutContext(gpa, .{ |
| 351 | 351 | .index = new_index, |
| 352 | 352 | .len = len, |
| ... | ... | @@ -2417,9 +2417,15 @@ pub const Storage = enum { |
| 2417 | 2417 | inline else => |x| setExtraField(buffer, i, @TypeOf(x), x), |
| 2418 | 2418 | }, |
| 2419 | 2419 | .extended => @compileError("TODO"), |
| 2420 | .flag_length_prefixed_list, .length_prefixed_list => { | |
| 2420 | .flag_length_prefixed_list => { | |
| 2421 | const len: u32 = @intCast(value.slice.len); | |
| 2422 | if (len == 0) return 0; // Flag bit hides the length prefix. | |
| 2423 | buffer[i] = len; | |
| 2424 | @memcpy(buffer[i + 1 ..][0..len], @as([]const u32, @ptrCast(value.slice))); | |
| 2425 | return len + 1; | |
| 2426 | }, | |
| 2427 | .length_prefixed_list => { | |
| 2421 | 2428 | const len: u32 = @intCast(value.slice.len); |
| 2422 | if (len == 0) return 0; | |
| 2423 | 2429 | buffer[i] = len; |
| 2424 | 2430 | @memcpy(buffer[i + 1 ..][0..len], @as([]const u32, @ptrCast(value.slice))); |
| 2425 | 2431 | return len + 1; |
| ... | ... | @@ -2431,7 +2437,6 @@ pub const Storage = enum { |
| 2431 | 2437 | }, |
| 2432 | 2438 | .multi_list => { |
| 2433 | 2439 | const len: u32 = @intCast(value.mal.len); |
| 2434 | if (len == 0) return 0; | |
| 2435 | 2440 | buffer[i] = len; |
| 2436 | 2441 | const fields = @typeInfo(Field.Elem).@"struct".fields; |
| 2437 | 2442 | inline for (0..fields.len) |field_i| @memcpy( |