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XDR specification files can contain lines prefixed with '%' that pass through unchanged to generated output. Traditional rpcgen removes the '%' and emits the remainder verbatim, allowing direct insertion of C includes, pragma directives, or other language- specific content into the generated code. Until now, xdrgen silently discarded these lines during parsing. This prevented specifications from including necessary headers or preprocessor directives that might be required for the generated code to compile correctly. The grammar now captures pass-through lines instead of ignoring them. A new AST node type represents pass-through content, and the AST transformer strips the leading '%' character. Definition and source generators emit pass-through content in document order, preserving the original placement within the specification. This brings xdrgen closer to feature parity with traditional rpcgen while maintaining the existing document-order processing model. Existing generated xdrgen source code has been regenerated. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
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