| ... | ... | @@ -8424,21 +8424,32 @@ fn fieldVal( |
| 8424 | 8424 | } |
| 8425 | 8425 | }, |
| 8426 | 8426 | .One => { |
| 8427 | | const elem_ty = object_ty.elemType(); |
| 8428 | | if (elem_ty.zigTypeTag() == .Array) { |
| 8429 | | if (mem.eql(u8, field_name, "len")) { |
| 8430 | | return sema.addConstant( |
| 8431 | | Type.initTag(.comptime_int), |
| 8432 | | try Value.Tag.int_u64.create(arena, elem_ty.arrayLen()), |
| 8433 | | ); |
| 8434 | | } else { |
| 8435 | | return mod.fail( |
| 8436 | | &block.base, |
| 8437 | | field_name_src, |
| 8438 | | "no member named '{s}' in '{}'", |
| 8439 | | .{ field_name, object_ty }, |
| 8440 | | ); |
| 8441 | | } |
| 8427 | const ptr_child = object_ty.elemType(); |
| 8428 | switch (ptr_child.zigTypeTag()) { |
| 8429 | .Array => { |
| 8430 | if (mem.eql(u8, field_name, "len")) { |
| 8431 | return sema.addConstant( |
| 8432 | Type.initTag(.comptime_int), |
| 8433 | try Value.Tag.int_u64.create(arena, ptr_child.arrayLen()), |
| 8434 | ); |
| 8435 | } else { |
| 8436 | return mod.fail( |
| 8437 | &block.base, |
| 8438 | field_name_src, |
| 8439 | "no member named '{s}' in '{}'", |
| 8440 | .{ field_name, object_ty }, |
| 8441 | ); |
| 8442 | } |
| 8443 | }, |
| 8444 | .Struct => { |
| 8445 | const struct_ptr_deref = try sema.analyzeLoad(block, src, object, object_src); |
| 8446 | return sema.unionFieldVal(block, src, struct_ptr_deref, field_name, field_name_src, ptr_child); |
| 8447 | }, |
| 8448 | .Union => { |
| 8449 | const union_ptr_deref = try sema.analyzeLoad(block, src, object, object_src); |
| 8450 | return sema.unionFieldVal(block, src, union_ptr_deref, field_name, field_name_src, ptr_child); |
| 8451 | }, |
| 8452 | else => {}, |
| 8442 | 8453 | } |
| 8443 | 8454 | }, |
| 8444 | 8455 | .Many, .C => {}, |
| ... | ... | @@ -8562,9 +8573,8 @@ fn fieldPtr( |
| 8562 | 8573 | ); |
| 8563 | 8574 | } |
| 8564 | 8575 | }, |
| 8565 | | .Pointer => { |
| 8566 | | const ptr_child = object_ty.elemType(); |
| 8567 | | if (ptr_child.isSlice()) { |
| 8576 | .Pointer => switch (object_ty.ptrSize()) { |
| 8577 | .Slice => { |
| 8568 | 8578 | // Here for the ptr and len fields what we need to do is the situation |
| 8569 | 8579 | // when a temporary has its address taken, e.g. `&a[c..d].len`. |
| 8570 | 8580 | // This value may be known at compile-time or runtime. In the former |
| ... | ... | @@ -8594,26 +8604,39 @@ fn fieldPtr( |
| 8594 | 8604 | .{ field_name, object_ty }, |
| 8595 | 8605 | ); |
| 8596 | 8606 | } |
| 8597 | | } else switch (ptr_child.zigTypeTag()) { |
| 8598 | | .Array => { |
| 8599 | | if (mem.eql(u8, field_name, "len")) { |
| 8600 | | var anon_decl = try block.startAnonDecl(); |
| 8601 | | defer anon_decl.deinit(); |
| 8602 | | return sema.analyzeDeclRef(try anon_decl.finish( |
| 8603 | | Type.initTag(.comptime_int), |
| 8604 | | try Value.Tag.int_u64.create(anon_decl.arena(), ptr_child.arrayLen()), |
| 8605 | | )); |
| 8606 | | } else { |
| 8607 | | return mod.fail( |
| 8608 | | &block.base, |
| 8609 | | field_name_src, |
| 8610 | | "no member named '{s}' in '{}'", |
| 8611 | | .{ field_name, object_ty }, |
| 8612 | | ); |
| 8613 | | } |
| 8614 | | }, |
| 8615 | | else => {}, |
| 8616 | | } |
| 8607 | }, |
| 8608 | .One => { |
| 8609 | const ptr_child = object_ty.elemType(); |
| 8610 | switch (ptr_child.zigTypeTag()) { |
| 8611 | .Array => { |
| 8612 | if (mem.eql(u8, field_name, "len")) { |
| 8613 | var anon_decl = try block.startAnonDecl(); |
| 8614 | defer anon_decl.deinit(); |
| 8615 | return sema.analyzeDeclRef(try anon_decl.finish( |
| 8616 | Type.initTag(.comptime_int), |
| 8617 | try Value.Tag.int_u64.create(anon_decl.arena(), ptr_child.arrayLen()), |
| 8618 | )); |
| 8619 | } else { |
| 8620 | return mod.fail( |
| 8621 | &block.base, |
| 8622 | field_name_src, |
| 8623 | "no member named '{s}' in '{}'", |
| 8624 | .{ field_name, object_ty }, |
| 8625 | ); |
| 8626 | } |
| 8627 | }, |
| 8628 | .Struct => { |
| 8629 | const struct_ptr_deref = try sema.analyzeLoad(block, src, object_ptr, object_ptr_src); |
| 8630 | return sema.structFieldPtr(block, src, struct_ptr_deref, field_name, field_name_src, ptr_child); |
| 8631 | }, |
| 8632 | .Union => { |
| 8633 | const union_ptr_deref = try sema.analyzeLoad(block, src, object_ptr, object_ptr_src); |
| 8634 | return sema.unionFieldPtr(block, src, union_ptr_deref, field_name, field_name_src, ptr_child); |
| 8635 | }, |
| 8636 | else => {}, |
| 8637 | } |
| 8638 | }, |
| 8639 | .Many, .C => {}, |
| 8617 | 8640 | }, |
| 8618 | 8641 | .Type => { |
| 8619 | 8642 | _ = try sema.resolveConstValue(block, object_ptr_src, object_ptr); |
Robin Voetter <robin@voetter.nl> 2021-08-26 04:11:04+02:00
src