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style: decouple different uses of item_number

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item_number is used for elements of ritem as well as indices into
ritem which is fairly confusing.  Introduce item_index to represent
indices into ritem.

* src/gram.h (item_index): Introduce it for ritem indices.
* src/closure.h, src/closure.c, src/ielr.c, src/lr0.c,
* src/print-graph.c, src/state.h, src/state.h:
Replace uses of item_number with item_index where appropriate.
This commit is contained in:
Vincent Imbimbo
2020-05-24 11:09:49 -04:00
committed by Akim Demaille
parent dd878d1851
commit 6a1a681fd2
8 changed files with 26 additions and 23 deletions
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src/gram.h
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@@ -111,7 +111,10 @@ extern int nsyms;
extern int ntokens;
extern int nvars;
/* elements of ritem */
typedef int item_number;
/* indices into ritem */
typedef int item_index;
# define ITEM_NUMBER_MAX INT_MAX
extern item_number *ritem;
extern int nritems;