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parser: port pointer/slice attributes tests

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Port tests:
- "pointer attributes"
- "slice attributes"

Fix ** pointer type to parse modifiers per upstream (no sentinel,
modifiers on inner pointer only).
Fix ptr_type selection when both sentinel and align are present
(use ptr_type with extra data instead of ptr_type_sentinel which
can't store alignment).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Motiejus Jakštys
2026-02-11 07:05:33 +00:00
parent 6bd0bdd7ed
commit 4c35471d46
2 changed files with 98 additions and 19 deletions
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24
parser_test.zig
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@@ -2850,6 +2850,28 @@ test "zig fmt: nested pointers with ** tokens" {
);
}
test "zig fmt: pointer attributes" {
try testCanonical(
\\extern fn f1(s: *align(*u8) u8) c_int;
\\extern fn f2(s: **align(1) *const *volatile u8) c_int;
\\extern fn f3(s: *align(1) const *align(1) volatile *const volatile u8) c_int;
\\extern fn f4(s: *align(1) const volatile u8) c_int;
\\extern fn f5(s: [*:0]align(1) const volatile u8) c_int;
\\
);
}
test "zig fmt: slice attributes" {
try testCanonical(
\\extern fn f1(s: []align(*u8) u8) c_int;
\\extern fn f2(s: []align(1) []const []volatile u8) c_int;
\\extern fn f3(s: []align(1) const [:0]align(1) volatile []const volatile u8) c_int;
\\extern fn f4(s: []align(1) const volatile u8) c_int;
\\extern fn f5(s: [:0]align(1) const volatile u8) c_int;
\\
);
}
test "zig fmt: test declaration" {
try testCanonical(
\\test "test name" {
@@ -5550,5 +5572,3 @@ fn zigAst(gpa: Allocator, c_ast: c.Ast) !Ast {
.errors = errors,
};
}
// copy-past from parser_test.zig