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

phabricator: add a small language to query Differential Revisions...

phabricator: add a small language to query Differential Revisions Previously, `phabread` can only be used to read a single patch, or a single stack of patches. In the future, we want to have more complex queries like filtering with status (open, accepted, closed, etc), or maybe more complex like filtering by reviewers etc. The command line flag approach won't scale with that. Besides, we might want to have other commands to update Differential Revision status in batch, like accepting a stack using a single command. Therefore, this patch adds a small language. It has basic set operations: `&`, `+`, `-` and an ancestor operator to support `--stack`. Test Plan: Try querying this Phabricator instance: hg phabread 1+2 # 1, 2 hg phabread D2+D1 # 2, 1 hg phabread ':118-115+:2-1' # 114, 116, 117, 118, 2 hg phabread '((:118-(D115+117)))&:117' # 114, 116 hg phabread ':2&:117' --debug # differential.query is called only once Make sure the output is expected and prefetch works. Differential Revision: https://phab.mercurial-scm.org/D125

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()

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

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

              'bdiff.c')).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()
				ffi.set_source("mercurial.cffi._bdiff",
				open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),
				'bdiff.c')).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()