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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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50
src/LR0.c
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@@ -42,20 +42,20 @@ core *first_state;
shifts *first_shift;
reductions *first_reduction;
int get_state PARAMS((int));
core *new_state PARAMS((int));
extern void generate_states PARAMS((void));
void allocate_itemsets PARAMS((void));
void allocate_storage PARAMS((void));
void free_storage PARAMS((void));
void generate_states PARAMS((void));
void new_itemsets PARAMS((void));
void append_states PARAMS((void));
void initialize_states PARAMS((void));
void save_shifts PARAMS((void));
void save_reductions PARAMS((void));
void augment_automaton PARAMS((void));
void insert_start_shift PARAMS((void));
static int get_state PARAMS((int));
static core *new_state PARAMS((int));
static void allocate_itemsets PARAMS((void));
static void allocate_storage PARAMS((void));
static void free_storage PARAMS((void));
static void new_itemsets PARAMS((void));
static void append_states PARAMS((void));
static void initialize_states PARAMS((void));
static void save_shifts PARAMS((void));
static void save_reductions PARAMS((void));
static void augment_automaton PARAMS((void));
static void insert_start_shift PARAMS((void));
extern void initialize_closure PARAMS((int));
extern void closure PARAMS((short *, int));
extern void finalize_closure PARAMS((void));
@@ -82,7 +82,7 @@ static core **state_table;
void
static void
allocate_itemsets (void)
{
register short *itemp;
@@ -127,7 +127,7 @@ allocate_itemsets (void)
}
void
static void
allocate_storage (void)
{
allocate_itemsets();
@@ -138,7 +138,7 @@ allocate_storage (void)
}
void
static void
free_storage (void)
{
FREE(shift_symbol);
@@ -200,7 +200,7 @@ generate_states (void)
For each symbol in the grammar, kernel_base[symbol] points to
a vector of item numbers activated if that symbol is shifted,
and kernel_end[symbol] points after the end of that vector. */
void
static void
new_itemsets (void)
{
register int i;
@@ -248,7 +248,7 @@ new_itemsets (void)
reached by each shift transition from the current state.
shiftset is set up as a vector of state numbers of those states. */
void
static void
append_states (void)
{
register int i;
@@ -287,7 +287,7 @@ append_states (void)
Create a new state if no equivalent one exists already.
Used by append_states */
int
static int
get_state (int symbol)
{
register int key;
@@ -360,7 +360,7 @@ get_state (int symbol)
/* subroutine of get_state. create a new state for those items, if necessary. */
core *
static core *
new_state (int symbol)
{
register int n;
@@ -398,7 +398,7 @@ new_state (int symbol)
}
void
static void
initialize_states (void)
{
register core *p;
@@ -412,7 +412,7 @@ initialize_states (void)
}
void
static void
save_shifts (void)
{
register shifts *p;
@@ -449,7 +449,7 @@ save_shifts (void)
/* find which rules can be used for reduction transitions from the current state
and make a reductions structure for the state to record their rule numbers. */
void
static void
save_reductions (void)
{
register short *isp;
@@ -510,7 +510,7 @@ grammar's start symbol and goes to the next-to-final state,
which has a shift going to the final state, which has a shift
to the termination state.
Create such states and shifts if they don't happen to exist already. */
void
static void
augment_automaton (void)
{
register int i;
@@ -683,7 +683,7 @@ augment_automaton (void)
/* subroutine of augment_automaton.
Create the next-to-final state, to which a shift has already been made in
the initial state. */
void
static void
insert_start_shift (void)
{
register core *statep;