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187a44d058
Type aliases present a problem for module_to_cil because they are not in the sym_val_to_name table that it uses to write declarations. Type aliases are gathered by going through the decl_ids list and then the alias declaration is written out when the block with that scope id is handled. This doesn't work if a type alias appears in a require block, since the require cannot be distinguished from the declaration. The result is two declarations of the alias and an error when secilc compiles the policy. Because of the work cleaning up scope handling, the alias declaration will always be at the end of the decl_ids list, so now only gather the last scope id. Also, when an alias is used in a module it is required as a type and it will appear in the sym_val_to_name table. When that occurs, just skip the alias when writing out types. Signed-off-by: James Carter <jwcart2@tycho.nsa.gov> |
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