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add helper functions to intern pool

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Techatrix 2023-01-23 21:28:40 +01:00
parent d10837dca0
commit 9dbae69288
1 changed files with 87 additions and 6 deletions
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93
src/InternPool.zig
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@ -31,6 +31,7 @@ pub const Pointer = packed struct {
};
pub const Array = packed struct {
// TODO change to Index
len: u32,
child: Index,
sentinel: Index = .none,
@ -275,17 +276,91 @@ pub const Key = union(enum) {
.float_64_value,
.float_80_value,
.float_128_value,
// .type_value,
=> unreachable,
.bytes,
// .one_pointer,
.aggregate,
.union_value,
=> unreachable,
};
}
pub fn isType(key: Key) bool {
return switch (key) {
.simple => |simple| switch (simple) {
.f16,
.f32,
.f64,
.f80,
.f128,
.c_longdouble,
.usize,
.isize,
.c_short,
.c_ushort,
.c_int,
.c_uint,
.c_long,
.c_ulong,
.c_longlong,
.c_ulonglong,
.comptime_int,
.comptime_float,
.anyopaque,
.bool,
.void,
.type,
.anyerror,
.noreturn,
.@"anyframe",
.null_type,
.undefined_type,
.enum_literal_type, => true,
.undefined_value,
.void_value,
.unreachable_value,
.null_value,
.bool_true,
.bool_false,
=> false,
},
.int_type,
.pointer_type,
.array_type,
.struct_type,
.optional_type,
.error_union_type,
.error_set_type,
.enum_type,
.function_type,
.union_type,
.tuple_type,
.vector_type,
.anyframe_type, => true,
.int_u64_value,
.int_i64_value,
.int_big_value,
.float_16_value,
.float_32_value,
.float_64_value,
.float_80_value,
.float_128_value,
=> false,
.bytes,
.aggregate,
.union_value,
=> false,
};
}
pub fn isValue(key: Key) bool {
return !key.isValue();
}
/// Asserts the type is an integer, enum, error set, packed struct, or vector of one of them.
pub fn intInfo(ty: Key, target: std.Target, ip: *const InternPool) Int {
var key: Key = ty;
@ -657,7 +732,7 @@ pub const Key = union(enum) {
return array_info.child;
},
.struct_type => panicOrElse("TODO", null),
.struct_type => return panicOrElse("TODO", null),
.optional_type => |optional_info| {
try writer.writeByte('?');
return optional_info.payload_type;
@ -676,7 +751,7 @@ pub const Key = union(enum) {
}
try writer.writeByte('}');
},
.enum_type => panicOrElse("TODO", null),
.enum_type => return panicOrElse("TODO", null),
.function_type => |function_info| {
try writer.writeAll("fn(");
@ -712,7 +787,7 @@ pub const Key = union(enum) {
return function_info.return_type;
},
.union_type => panicOrElse("TODO", null),
.union_type => return panicOrElse("TODO", null),
.tuple_type => |tuple_info| {
try writer.writeAll("tuple{");
for (tuple_info.types) |field_ty, i| {
@ -1179,6 +1254,12 @@ pub fn get(ip: *InternPool, gpa: Allocator, key: Key) Allocator.Error!Index {
return @intToEnum(Index, ip.items.len - 1);
}
pub fn contains(ip: InternPool, key: Key) ?Index {
const adapter: KeyAdapter = .{ .ip = &ip };
const index = ip.map.getIndexAdapted(key, adapter) orelse return null;
return @intToEnum(Index, index);
}
fn addExtra(ip: *InternPool, gpa: Allocator, extra: anytype) Allocator.Error!u32 {
const T = @TypeOf(extra);
comptime if (@sizeOf(T) <= 4) {
@ -2501,7 +2582,7 @@ inline fn panicOrElse(message: []const u8, value: anytype) @TypeOf(value) {
if (builtin.is_test or builtin.mode == .Debug) {
@panic(message);
}
return null;
return value;
}
// ---------------------------------------------