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Struct assignment
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This commit is contained in:
David Gonzalez Martin 2025-04-13 14:26:54 -06:00
parent 5820565230
commit d91ebf3147
2 changed files with 28 additions and 7 deletions
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34
src/bootstrap.zig
View File

@ -770,6 +770,7 @@ pub const Value = struct {
.constant_integer => true,
.variable_reference => false,
.aggregate_initialization => |aggregate_initialization| aggregate_initialization.is_constant,
.field_access => false,
else => @trap(),
};
}
@ -5091,12 +5092,12 @@ pub const Module = struct {
module.report_error();
};
_ = field_type;
@trap();
// break :blk switch (value.kind) {
// .left => @trap(),
// .right => field_type,
// };
switch (value.kind) {
.left => @trap(),
.right => if (field_type != expected_type) {
module.report_error();
},
}
},
.bits => |bits| {
const field_type = for (bits.fields) |*field| {
@ -6172,7 +6173,26 @@ pub const Module = struct {
global_variable.to_value().set_alignment(alignment);
_ = module.llvm.builder.create_memcpy(left.llvm.?, pointer_type.bb.pointer.alignment, global_variable.to_value(), alignment, module.integer_type(64, false).resolve(module).handle.to_integer().get_constant(value_type.get_byte_size(), @intFromBool(false)).to_value());
},
false => @trap(),
false => {
for (aggregate_initialization.values, aggregate_initialization.names) |initialization_value, initialization_name| {
const field_index = for (value_type.bb.structure.fields, 0..) |*field, field_index| {
if (lib.string.equal(field.name, initialization_name)) {
break field_index;
}
} else module.report_error();
const field = &value_type.bb.structure.fields[field_index];
const destination_pointer = module.llvm.builder.create_struct_gep(value_type.llvm.handle.?.to_struct(), left.llvm.?, @intCast(field_index));
// Create an auxiliary value
const destination_value = module.values.add();
destination_value.* = .{
.bb = .local, // This does not matter
.llvm = destination_pointer,
.type = module.get_pointer_type(.{ .type = field.type }),
.kind = .left,
};
module.emit_assignment(function, destination_value, initialization_value);
}
},
},
.string_literal => |string_literal| {
const null_terminate = true;

1
src/main.zig
View File

@ -230,4 +230,5 @@ const names = &[_][]const u8{
"select",
"slice",
"small_struct_ints",
"struct_assignment",
};