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compiler: rework inferred error sets

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* move inferred error sets into InternPool.
   - they are now represented by pointing directly at the corresponding
     function body value.
 * inferred error set working memory is now in Sema and expires after
   the Sema for the function corresponding to the inferred error set is
   finished having its body analyzed.
 * error sets use a InternPool.Index.Slice rather than an actual slice
   to avoid lifetime issues.
This commit is contained in:
Andrew Kelley
2023-07-08 23:39:37 -07:00
parent 55e89255e1
commit f3dc53f6b5
7 changed files with 1038 additions and 740 deletions
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10
lib/std/array_hash_map.zig
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@@ -1669,8 +1669,9 @@ pub fn ArrayHashMapUnmanaged(
inline fn checkedHash(ctx: anytype, key: anytype) u32 {
comptime std.hash_map.verifyContext(@TypeOf(ctx), @TypeOf(key), K, u32, true);
// If you get a compile error on the next line, it means that
const hash = ctx.hash(key); // your generic hash function doesn't accept your key
// If you get a compile error on the next line, it means that your
// generic hash function doesn't accept your key.
const hash = ctx.hash(key);
if (@TypeOf(hash) != u32) {
@compileError("Context " ++ @typeName(@TypeOf(ctx)) ++ " has a generic hash function that returns the wrong type!\n" ++
@typeName(u32) ++ " was expected, but found " ++ @typeName(@TypeOf(hash)));
@@ -1679,8 +1680,9 @@ pub fn ArrayHashMapUnmanaged(
}
inline fn checkedEql(ctx: anytype, a: anytype, b: K, b_index: usize) bool {
comptime std.hash_map.verifyContext(@TypeOf(ctx), @TypeOf(a), K, u32, true);
// If you get a compile error on the next line, it means that
const eql = ctx.eql(a, b, b_index); // your generic eql function doesn't accept (self, adapt key, K, index)
// If you get a compile error on the next line, it means that your
// generic eql function doesn't accept (self, adapt key, K, index).
const eql = ctx.eql(a, b, b_index);
if (@TypeOf(eql) != bool) {
@compileError("Context " ++ @typeName(@TypeOf(ctx)) ++ " has a generic eql function that returns the wrong type!\n" ++
@typeName(bool) ++ " was expected, but found " ++ @typeName(@TypeOf(eql)));