@@ -65,10 +65,31 @@ pub fn PageRuntime(comptime PageDataType: type) type {
};
}
fn getOffset(T: type, name: []const u8) usize {
fn getOffset(T: type, name: []const u8) ?usize {
switch (@typeInfo(T)) {
.Struct => {
var local: [0xff]u8 = undefined;
const field = local[0..makeFieldName(name, &local)];
return @offsetOf(T, field);
},
else => return null,
}
}
fn getChildType(T: type, name: []const u8) type {
var local: [0xff]u8 = undefined;
const field = local[0..makeFieldName(name, &local)];
return @offsetOf(T, field);
//return @TypeOf(@FieldType(T, field)); // not in 0.13.0
for (std.meta.fields(T)) |f| {
if (eql(u8, f.name, field)) {
switch (@typeInfo(f.type)) {
.Pointer => |ptr| return ptr.child,
.Optional => |opt| return opt.child,
.Struct => return f.type,
else => unreachable,
}
}
} else unreachable;
}
pub fn commentTag(blob: []const u8) ?usize {
@@ -109,6 +130,12 @@ pub fn validateBlock(comptime html: []const u8, PageDataType: type) []const Offs
if (drct.verb == .variable and PageDataType != void) {
os.kind.directive.known_offset = getOffset(PageDataType, drct.noun);
}
// left in for testing
if (drct.tag_block_body) |body| {
_ = validateBlock(body, getChildType(PageDataType, drct.noun));
}
found_offsets = found_offsets ++ [_]Offset{os};
pblob = pblob[end..];
index += end;