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compiler,std: implement ZON support

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This commit allows using ZON (Zig Object Notation) in a few ways.

* `@import` can be used to load ZON at comptime and convert it to a
  normal Zig value. In this case, `@import` must have a result type.
* `std.zon.parse` can be used to parse ZON at runtime, akin to the
  parsing logic in `std.json`.
* `std.zon.stringify` can be used to convert arbitrary data structures
  to ZON at runtime, again akin to `std.json`.
This commit is contained in:
Mason Remaley
2024-11-04 14:03:36 -08:00
committed by mlugg
parent 953355ebea
commit 13c6eb0d71
145 changed files with 8786 additions and 434 deletions
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18
src/InternPool.zig
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@@ -4389,7 +4389,7 @@ pub const LoadedEnumType = struct {
// Auto-numbered enum. Convert `int_tag_val` to field index.
const field_index = switch (ip.indexToKey(int_tag_val).int.storage) {
inline .u64, .i64 => |x| std.math.cast(u32, x) orelse return null,
.big_int => |x| x.to(u32) catch return null,
.big_int => |x| x.toInt(u32) catch return null,
.lazy_align, .lazy_size => unreachable,
};
return if (field_index < self.names.len) field_index else null;
@@ -7957,7 +7957,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
.big_int => |big_int| {
items.appendAssumeCapacity(.{
.tag = .int_u8,
.data = big_int.to(u8) catch unreachable,
.data = big_int.toInt(u8) catch unreachable,
});
break :b;
},
@@ -7974,7 +7974,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
.big_int => |big_int| {
items.appendAssumeCapacity(.{
.tag = .int_u16,
.data = big_int.to(u16) catch unreachable,
.data = big_int.toInt(u16) catch unreachable,
});
break :b;
},
@@ -7991,7 +7991,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
.big_int => |big_int| {
items.appendAssumeCapacity(.{
.tag = .int_u32,
.data = big_int.to(u32) catch unreachable,
.data = big_int.toInt(u32) catch unreachable,
});
break :b;
},
@@ -8006,7 +8006,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
},
.i32_type => switch (int.storage) {
.big_int => |big_int| {
const casted = big_int.to(i32) catch unreachable;
const casted = big_int.toInt(i32) catch unreachable;
items.appendAssumeCapacity(.{
.tag = .int_i32,
.data = @as(u32, @bitCast(casted)),
@@ -8024,7 +8024,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
},
.usize_type => switch (int.storage) {
.big_int => |big_int| {
if (big_int.to(u32)) |casted| {
if (big_int.toInt(u32)) |casted| {
items.appendAssumeCapacity(.{
.tag = .int_usize,
.data = casted,
@@ -8045,14 +8045,14 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
},
.comptime_int_type => switch (int.storage) {
.big_int => |big_int| {
if (big_int.to(u32)) |casted| {
if (big_int.toInt(u32)) |casted| {
items.appendAssumeCapacity(.{
.tag = .int_comptime_int_u32,
.data = casted,
});
break :b;
} else |_| {}
if (big_int.to(i32)) |casted| {
if (big_int.toInt(i32)) |casted| {
items.appendAssumeCapacity(.{
.tag = .int_comptime_int_i32,
.data = @as(u32, @bitCast(casted)),
@@ -8082,7 +8082,7 @@ pub fn get(ip: *InternPool, gpa: Allocator, tid: Zcu.PerThread.Id, key: Key) All
}
switch (int.storage) {
.big_int => |big_int| {
if (big_int.to(u32)) |casted| {
if (big_int.toInt(u32)) |casted| {
items.appendAssumeCapacity(.{
.tag = .int_small,
.data = try addExtra(extra, IntSmall{