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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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69
src/lalr.c
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@@ -74,25 +74,26 @@ short *goto_map;
short *from_state;
short *to_state;
void lalr PARAMS((void));
short **transpose PARAMS((short **, int));
void set_state_table PARAMS((void));
void set_accessing_symbol PARAMS((void));
void set_shift_table PARAMS((void));
void set_reduction_table PARAMS((void));
void set_maxrhs PARAMS((void));
void initialize_LA PARAMS((void));
void set_goto_map PARAMS((void));
int map_goto PARAMS((int, int));
void initialize_F PARAMS((void));
void build_relations PARAMS((void));
void add_lookback_edge PARAMS((int, int, int));
void compute_FOLLOWS PARAMS((void));
void compute_lookaheads PARAMS((void));
void digraph PARAMS((short **));
void traverse PARAMS((register int));
extern void lalr PARAMS((void));
extern void berror PARAMS((char *));
static short **transpose PARAMS((short **, int));
static void set_state_table PARAMS((void));
static void set_accessing_symbol PARAMS((void));
static void set_shift_table PARAMS((void));
static void set_reduction_table PARAMS((void));
static void set_maxrhs PARAMS((void));
static void initialize_LA PARAMS((void));
static void set_goto_map PARAMS((void));
static int map_goto PARAMS((int, int));
static void initialize_F PARAMS((void));
static void build_relations PARAMS((void));
static void add_lookback_edge PARAMS((int, int, int));
static void compute_FOLLOWS PARAMS((void));
static void compute_lookaheads PARAMS((void));
static void digraph PARAMS((short **));
static void traverse PARAMS((register int));
extern void berror PARAMS((const char *));
static int infinity;
static int maxrhs;
@@ -125,7 +126,7 @@ lalr (void)
}
void
static void
set_state_table (void)
{
register core *sp;
@@ -137,7 +138,7 @@ set_state_table (void)
}
void
static void
set_accessing_symbol (void)
{
register core *sp;
@@ -149,7 +150,7 @@ set_accessing_symbol (void)
}
void
static void
set_shift_table (void)
{
register shifts *sp;
@@ -161,7 +162,7 @@ set_shift_table (void)
}
void
static void
set_reduction_table (void)
{
register reductions *rp;
@@ -173,7 +174,7 @@ set_reduction_table (void)
}
void
static void
set_maxrhs (void)
{
register short *itemp;
@@ -199,7 +200,7 @@ set_maxrhs (void)
}
void
static void
initialize_LA (void)
{
register int i;
@@ -266,7 +267,7 @@ initialize_LA (void)
}
void
static void
set_goto_map (void)
{
register shifts *sp;
@@ -336,7 +337,7 @@ set_goto_map (void)
/* Map_goto maps a state/symbol pair into its numeric representation. */
int
static int
map_goto (int state, int symbol)
{
register int high;
@@ -365,7 +366,7 @@ map_goto (int state, int symbol)
}
void
static void
initialize_F (void)
{
register int i;
@@ -441,7 +442,7 @@ initialize_F (void)
}
void
static void
build_relations (void)
{
register int i;
@@ -536,7 +537,7 @@ build_relations (void)
}
void
static void
add_lookback_edge (int stateno, int ruleno, int gotono)
{
register int i;
@@ -566,7 +567,7 @@ add_lookback_edge (int stateno, int ruleno, int gotono)
short **
static short **
transpose (short **R_arg, int n)
{
register short **new_R;
@@ -621,7 +622,7 @@ transpose (short **R_arg, int n)
}
void
static void
compute_FOLLOWS (void)
{
register int i;
@@ -637,7 +638,7 @@ compute_FOLLOWS (void)
}
void
static void
compute_lookaheads (void)
{
register int i;
@@ -680,7 +681,7 @@ compute_lookaheads (void)
}
void
static void
digraph (short **relation)
{
register int i;
@@ -706,7 +707,7 @@ digraph (short **relation)
}
void
static void
traverse (register int i)
{
register unsigned *fp1;