upstream/mercurial-mirror Files · mercurial/cffi/bdiffbuild.py

internals: extract frame-based protocol docs to own document...

internals: extract frame-based protocol docs to own document wireprotocol.txt is quite long and difficult to digest. The frame-based protocol is effectively a standalone concept (and could even be used outside of Mercurial). So this commit extracts its docs to a standalone file. The first few paragraphs were rewritten as part of the extraction. Sections headers were adjusted accordingly. Existing referalls in wireprotocol.txt were updated to refer to the new doc / concept, which I've started referring to as `hgrpc`. I'm on the fence as to whether to move the HTTP and SSH transport details to the new doc as well. For now, I'm leaving them in wireprotocol.txt. Differential Revision: https://phab.mercurial-scm.org/D4443

Yuya Nishihara - - Load All Authors

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             bdiffbuild.py
        
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      from __future__ import absolute_import

      import cffi

      import os

      ffi = cffi.FFI()

      with open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),

                             'bdiff.c')) as f:

          ffi.set_source("mercurial.cffi._bdiff",

                         f.read(), include_dirs=['mercurial'])

      ffi.cdef("""

      struct bdiff_line {

          int hash, n, e;

          ssize_t len;

          const char *l;

      };

      struct bdiff_hunk;

      struct bdiff_hunk {

          int a1, a2, b1, b2;

          struct bdiff_hunk *next;

      };

      int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

      int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

          struct bdiff_hunk *base);

      void bdiff_freehunks(struct bdiff_hunk *l);

      void free(void*);

      """)

      if __name__ == '__main__':

          ffi.compile()

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				from __future__ import absolute_import

				import cffi
				import os

				ffi = cffi.FFI()
				with open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),
				'bdiff.c')) as f:
				ffi.set_source("mercurial.cffi._bdiff",
				f.read(), include_dirs=['mercurial'])
				ffi.cdef("""
				struct bdiff_line {
				int hash, n, e;
				ssize_t len;
				const char *l;
				};

				struct bdiff_hunk;
				struct bdiff_hunk {
				int a1, a2, b1, b2;
				struct bdiff_hunk *next;
				};

				int bdiff_splitlines(const char a, ssize_t len, struct bdiff_line *lr);
				int bdiff_diff(struct bdiff_line a, int an, struct bdiff_line b, int bn,
				struct bdiff_hunk *base);
				void bdiff_freehunks(struct bdiff_hunk *l);
				void free(void*);
				""")

				if __name__ == '__main__':
				ffi.compile()