39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* This file is part of the software similarity tester SIM.
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Written by Dick Grune, Vrije Universiteit, Amsterdam.
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$Id: runs.h,v 1.13 2016-07-31 18:55:44 dick Exp $
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*/
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/* Although all other segments of data in this program are described by
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giving the position of the first in the segment and that of the
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first not in the segment (so the size is the difference of the two),
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a `chunk' is given by first and last. This is done because later on we
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are interested in the actual position of the last token of it, and
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the position of the first token not in the segment gives no
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indication about that.
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*/
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struct chunk {
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/* a chunk of text */
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const struct text *ch_text; /* pointer to the file */
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struct position ch_first; /* first in chunk */
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struct position ch_last; /* last in chunk */
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};
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struct run { /* a 'run' of coincident tokens */
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struct run *rn_next;
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struct chunk rn_chunk0; /* chunk in left file */
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struct chunk rn_chunk1; /* chunk in right file */
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size_t rn_size;
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};
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extern void add_to_runs(
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struct text *txt0, size_t i0, struct text *txt1, size_t i1,
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size_t size);
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extern struct run *sorted_runs(void);
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extern struct run *unsorted_runs(void);
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extern void discard_runs(void);
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#ifdef DB_RUN
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extern void db_run_info(const char *msg, const struct run *run, int lines_too);
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#endif /* DB_RUN */
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