authorgravatar for r00ster91@proton.meWooster <r00ster91@proton.me> 2023-03-08 19:25:53+01:00
committergravatar for r00ster91@proton.meWooster <r00ster91@proton.me> 2023-03-08 19:25:53+01:00
log7e3591bedd41bde8bcca892885376e2f4a8163a3
tree40a84c8ad65de1247bb36566fc21f1dfb56581fe
parentecc0108cea97772b6e921b36d8fdc8f90d5fc6cb

std.json.parseInternal: use switches instead of ifs


1 files changed, 18 insertions(+), 23 deletions(-)

lib/std/json.zig+18-23
......@@ -1534,30 +1534,25 @@ fn parseInternal(
15341534 child_options.allow_trailing_data = true;
15351535 var found = false;
15361536 inline for (structInfo.fields, 0..) |field, i| {
1537 // TODO: using switches here segfault the compiler (#2727?)
1538 if ((stringToken.escapes == .None and mem.eql(u8, field.name, key_source_slice)) or (stringToken.escapes == .Some and (field.name.len == stringToken.decodedLength() and encodesTo(field.name, key_source_slice)))) {
1539 // if (switch (stringToken.escapes) {
1540 // .None => mem.eql(u8, field.name, key_source_slice),
1541 // .Some => (field.name.len == stringToken.decodedLength() and encodesTo(field.name, key_source_slice)),
1542 // }) {
1537 if (switch (stringToken.escapes) {
1538 .None => mem.eql(u8, field.name, key_source_slice),
1539 .Some => (field.name.len == stringToken.decodedLength() and encodesTo(field.name, key_source_slice)),
1540 }) {
15431541 if (fields_seen[i]) {
1544 // switch (options.duplicate_field_behavior) {
1545 // .UseFirst => {},
1546 // .Error => {},
1547 // .UseLast => {},
1548 // }
1549 if (options.duplicate_field_behavior == .UseFirst) {
1550 // unconditonally ignore value. for comptime fields, this skips check against default_value
1551 parseFree(field.type, try parse(field.type, tokens, child_options), child_options);
1552 found = true;
1553 break;
1554 } else if (options.duplicate_field_behavior == .Error) {
1555 return error.DuplicateJSONField;
1556 } else if (options.duplicate_field_behavior == .UseLast) {
1557 if (!field.is_comptime) {
1558 parseFree(field.type, @field(r, field.name), child_options);
1559 }
1560 fields_seen[i] = false;
1542 switch (options.duplicate_field_behavior) {
1543 .UseFirst => {
1544 // unconditonally ignore value. for comptime fields, this skips check against default_value
1545 parseFree(field.type, try parse(field.type, tokens, child_options), child_options);
1546 found = true;
1547 break;
1548 },
1549 .Error => return error.DuplicateJSONField,
1550 .UseLast => {
1551 if (!field.is_comptime) {
1552 parseFree(field.type, @field(r, field.name), child_options);
1553 }
1554 fields_seen[i] = false;
1555 },
15611556 }
15621557 }
15631558 if (field.is_comptime) {