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stage2-wasm: implement try_ptr + is_(non_)err_ptr

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This commit is contained in:
Pavel Verigo
2025-07-23 20:52:26 +02:00
parent bc8e1a74c5
commit fcd9f521d2
2 changed files with 88 additions and 12 deletions
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79
test/behavior/try.zig
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@@ -121,3 +121,82 @@ test "'return try' through conditional" {
comptime std.debug.assert(result == 123);
}
}
test "try ptr propagation const" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn foo0() !u32 {
return 0;
}
fn foo1() error{Bad}!u32 {
return 1;
}
fn foo2() anyerror!u32 {
return 2;
}
fn doTheTest() !void {
const res0: *const u32 = &(try foo0());
const res1: *const u32 = &(try foo1());
const res2: *const u32 = &(try foo2());
try expect(res0.* == 0);
try expect(res1.* == 1);
try expect(res2.* == 2);
}
};
try S.doTheTest();
try comptime S.doTheTest();
}
test "try ptr propagation mutate" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn foo0() !u32 {
return 0;
}
fn foo1() error{Bad}!u32 {
return 1;
}
fn foo2() anyerror!u32 {
return 2;
}
fn doTheTest() !void {
var f0 = foo0();
var f1 = foo1();
var f2 = foo2();
const res0: *u32 = &(try f0);
const res1: *u32 = &(try f1);
const res2: *u32 = &(try f2);
res0.* += 1;
res1.* += 1;
res2.* += 1;
try expect(f0 catch unreachable == 1);
try expect(f1 catch unreachable == 2);
try expect(f2 catch unreachable == 3);
try expect(res0.* == 1);
try expect(res1.* == 2);
try expect(res2.* == 3);
}
};
try S.doTheTest();
try comptime S.doTheTest();
}