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A pseudocode pointer type now counts as a C type, in EXTERN signatures
and as a C-struct field, when it finally points to a non-void C type or a
C struct, as in TYPE PInt = ^C_INT. A pointer cycle such as TYPE P = ^P
and a pointer to a pseudocode type stay rejected.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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A variadic EXTERN call is now arranged by clang per call, from the fixed
parameter count and the promoted argument types. C-struct records pass
unchanged in variadic positions, as C11 6.5.2.2p6-7 and 7.16.1.1p2
allow; a record that is not a C struct names the offending field.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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EXTERN_FUNCTION may now return a C-struct record by value, either through
caller-supplied sret memory or as a coerced value stored back into the
record, as clang arranges it. This removes the last by-value rejection.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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EXTERN parameters may now be C-struct records by value. clang's
arrangement decides the passing: coerced through memory, flattened
into elements, or indirect as byval or a pointer to a copy. Returning a
record by value stays rejected for now.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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A TYPE record whose fields are all C types, C structs or pointer types to
C structs now crosses the EXTERN "C" boundary through a pointer type.
Records by value are rejected for now, and a pointer to a record with a
non-C field names that field.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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