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agra
2026-02-11 01:43:30 +02:00
parent 25e1372731
commit 89fc6427c4
6 changed files with 236 additions and 27 deletions
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9
src/types.zig
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@@ -230,9 +230,10 @@ pub const Type = union(enum) {
if (self.isSlice() and target.isSlice()) {
return std.mem.eql(u8, self.slice_type.element_name, target.slice_type.element_name);
}
// Pointer types: compare pointee names by content, null (*void) → any pointer
// Pointer types: compare pointee names by content, *void is universal (both directions)
if (self.isPointer() and target.isPointer()) {
if (std.mem.eql(u8, self.pointer_type.pointee_name, "void")) return true;
if (std.mem.eql(u8, target.pointer_type.pointee_name, "void")) return true;
return std.mem.eql(u8, self.pointer_type.pointee_name, target.pointer_type.pointee_name);
}
// Many-pointer types: compare element names by content
@@ -240,9 +241,15 @@ pub const Type = union(enum) {
return std.mem.eql(u8, self.many_pointer_type.element_name, target.many_pointer_type.element_name);
}
// *T → [*]T: pointer to element is implicitly convertible to many-pointer
// null (*void) → [*]T is also allowed
if (self.isPointer() and target.isManyPointer()) {
if (std.mem.eql(u8, self.pointer_type.pointee_name, "void")) return true;
return std.mem.eql(u8, self.pointer_type.pointee_name, target.many_pointer_type.element_name);
}
// [*]T → *void: any many-pointer converts to void pointer
if (self.isManyPointer() and target.isPointer()) {
return std.mem.eql(u8, target.pointer_type.pointee_name, "void");
}
const src_float = self.isFloat();
const dst_float = target.isFloat();