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Note metadata format
Graydon Hoare edited this page Jan 6, 2012
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Metadata is specified in the .note.rustc section of a crate. The metadata is in EBML format.
TODO: This is incomplete.
The schema is given in pseudo-BNF. Some nonterminals are delimited by EBML tags; for these, the tag that surrounds the data is given in parentheses, for brevity. (For example, foo (TAG_FOO) ::== bar is really foo ::== TAG_FOO bar END_TAG_FOO.)
crate ::== crate-hash attributes crate-deps tag-paths tag-items
crate-hash (TAG_CRATE_HASH) ::== crate-hash*
attributes (TAG_ATTRIBUTE) ::== attribute*
crate-deps (TAG_CRATE_DEPS) ::== crate-dep*
paths (TAG_PATHS) ::== paths-paths paths-index
paths-paths (TAG_PATHS) ::== paths-data*
items (TAG_ITEMS) ::== items-data* items-index