| author |  Matthew Borkowski <matthew.h.borkowski@gmail.com> 2021-10-09 18:16:43-04:00 |
| committer | Matthew Borkowski <matthew.h.borkowski@gmail.com> 2021-10-09 20:39:39-04:00 |
| log | 784be05a1abd94da96cce7c6381395f4f7b1ab5f |
| tree | 1cac2ca458721ce98f5566cd39b57f07291f0396 |
| parent | 8e1aa72c69cddc9fcd0bd8a3f9f4e9d3a8d002af |
stage2: fix astgen for anytype union fields and differentiate anytype vs inferred void in semaUnionFields
3 files changed, 10 insertions(+), 4 deletions(-)
src/AstGen.zig+6-3
| ... | ... | @@ -4134,7 +4134,7 @@ fn unionDeclInner( |
| 4134 | 4134 | if (member.comptime_token) |comptime_token| { |
| 4135 | 4135 | return astgen.failTok(comptime_token, "union fields cannot be marked comptime", .{}); |
| 4136 | 4136 | } |
| 4137 | try fields_data.ensureUnusedCapacity(gpa, if (node_tags[member.ast.type_expr] != .@"anytype") 4 else 3); | |
| 4137 | try fields_data.ensureUnusedCapacity(gpa, 4); | |
| 4138 | 4138 | |
| 4139 | 4139 | const field_name = try astgen.identAsString(member.ast.name_token); |
| 4140 | 4140 | fields_data.appendAssumeCapacity(field_name); |
| ... | ... | @@ -4149,8 +4149,11 @@ fn unionDeclInner( |
| 4149 | 4149 | (@as(u32, @boolToInt(have_value)) << 30) | |
| 4150 | 4150 | (@as(u32, @boolToInt(unused)) << 31); |
| 4151 | 4151 | |
| 4152 | if (have_type and node_tags[member.ast.type_expr] != .@"anytype") { | |
| 4153 | const field_type = try typeExpr(&block_scope, &namespace.base, member.ast.type_expr); | |
| 4152 | if (have_type) { | |
| 4153 | const field_type: Zir.Inst.Ref = if (node_tags[member.ast.type_expr] == .@"anytype") | |
| 4154 | .none | |
| 4155 | else | |
| 4156 | try typeExpr(&block_scope, &namespace.base, member.ast.type_expr); | |
| 4154 | 4157 | fields_data.appendAssumeCapacity(@enumToInt(field_type)); |
| 4155 | 4158 | } |
| 4156 | 4159 | if (have_align) { |
src/Sema.zig+3-1
| ... | ... | @@ -12629,8 +12629,10 @@ fn semaUnionFields( |
| 12629 | 12629 | set.putAssumeCapacity(field_name, {}); |
| 12630 | 12630 | } |
| 12631 | 12631 | |
| 12632 | const field_ty: Type = if (field_type_ref == .none) | |
| 12632 | const field_ty: Type = if (!has_type) | |
| 12633 | 12633 | Type.initTag(.void) |
| 12634 | else if (field_type_ref == .none) | |
| 12635 | Type.initTag(.noreturn) | |
| 12634 | 12636 | else |
| 12635 | 12637 | // TODO: if we need to report an error here, use a source location |
| 12636 | 12638 | // that points to this type expression rather than the union. |
src/Zir.zig+1
| ... | ... | @@ -2686,6 +2686,7 @@ pub const Inst = struct { |
| 2686 | 2686 | /// 9. fields: { // for every fields_len |
| 2687 | 2687 | /// field_name: u32, // null terminated string index |
| 2688 | 2688 | /// field_type: Ref, // if corresponding bit is set |
| 2689 | /// - if none, means `anytype`. | |
| 2689 | 2690 | /// align: Ref, // if corresponding bit is set |
| 2690 | 2691 | /// tag_value: Ref, // if corresponding bit is set |
| 2691 | 2692 | /// } |