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More explicit use of "const", "extern", and "static", particularly to

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limit the scope of many local variables and functions.
This commit is contained in:
Jesse Thilo
2000-07-04 03:29:02 +00:00
parent 27821bff0f
commit 4a120d45e6
20 changed files with 345 additions and 298 deletions
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28
src/closure.c
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@@ -59,11 +59,12 @@ Frees itemset, ruleset and internal data.
extern short **derives;
extern char **tags;
void initialize_closure PARAMS((int));
void set_fderives PARAMS((void));
void set_firsts PARAMS((void));
void closure PARAMS((short *, int));
void finalize_closure PARAMS((void));
extern void initialize_closure PARAMS((int));
extern void closure PARAMS((short *, int));
extern void finalize_closure PARAMS((void));
static void set_fderives PARAMS((void));
static void set_firsts PARAMS((void));
extern void RTC PARAMS((unsigned *, int));
@@ -81,6 +82,11 @@ static int rulesetsize;
/* number of words required to hold a bit for each variable */
static int varsetsize;
#ifdef DEBUG
static void print_closure PARAMS((int));
static void print_fderives PARAMS((void));
static void print_firsts PARAMS((void));
#endif
void
initialize_closure (int n)
@@ -100,7 +106,7 @@ initialize_closure (int n)
for each nonterminal. For example, if symbol 5 can be derived as
the sequence of symbols 8 3 20, and one of the rules for deriving
symbol 8 is rule 4, then the [5 - ntokens, 4] bit in fderives is set. */
void
static void
set_fderives (void)
{
register unsigned *rrow;
@@ -164,7 +170,7 @@ set_fderives (void)
symbol 5, so the bit [8 - ntokens, 5 - ntokens] in firsts is
set. */
void
static void
set_firsts (void)
{
register unsigned *row;
@@ -298,8 +304,8 @@ finalize_closure (void)
#ifdef DEBUG
print_closure(n)
int n;
static void
print_closure(int n)
{
register short *isp;
@@ -309,7 +315,7 @@ int n;
}
void
static void
print_firsts (void)
{
register int i;
@@ -331,7 +337,7 @@ print_firsts (void)
}
void
static void
print_fderives (void)
{
register int i;