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• Parser
• Parse-exprs/decls/stmts

Parse-struct-or-union-specifier

Parse or structure or union specifier.

Signature

(parse-struct-or-union-specifier structp struct/union-span parstate) 
  → 
(mv erp tyspec span new-parstate)

Arguments

structp — Guard (booleanp structp).

struct/union-span — Guard (spanp struct/union-span).

parstate — Guard (parstatep parstate).

Returns

tyspec — Type (type-specp tyspec).

span — Type (spanp span).

new-parstate — Type (parstatep new-parstate), given (parstatep parstate).

This is called after parsing the initial struct or union keyword: we pass a boolean saying whether it was a struct or not.

We return a type specifier that combines the parsed structure or union specifier with the information from the boolean input. The reason why we do that, instead of just returning a struni-spec and letting the callers build the type-spec, is that we also accommodate the GCC extension of a structure specifier without members (and with optional name); this is a separate kind in type-spec.

We also pass the span of the struct or union keyword, so that we can return a span for the whole type specifier.