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Use char instead of int for FSA rule input

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Camden Dixie O'Brien 2024-10-27 01:52:33 +00:00
parent 852102cab9
commit eb22abfb1b
2 changed files with 4 additions and 10 deletions
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3
lib/fsa.c
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@ -47,11 +47,10 @@ int fsa_add_state(fsa_t *fsa)
return fsa->count++; return fsa->count++;
} }
void fsa_add_rule(fsa_t *fsa, int from, int to, int input) void fsa_add_rule(fsa_t *fsa, int from, int to, char input)
{ {
assert(fsa->count > from); assert(fsa->count > from);
assert(fsa->count > to); assert(fsa->count > to);
assert(input < ALPHABET_SIZE);
fsa_state_t *state = &fsa->states[from]; fsa_state_t *state = &fsa->states[from];
if (state->count >= state->capacity) { if (state->count >= state->capacity) {

11
lib/include/fsa.h
View File

@ -8,14 +8,9 @@
#include <stdbool.h> #include <stdbool.h>
#define CHAR_COUNT 256
#define ALPHABET_SIZE (CHAR_COUNT + 1)
// Use one more than any valid char to represent empty string
#define EPSILON CHAR_COUNT
typedef struct { typedef struct {
int input, next; int next;
char input;
} fsa_rule_t; } fsa_rule_t;
typedef struct { typedef struct {
@ -33,6 +28,6 @@ void fsa_init(fsa_t *fsa);
void fsa_free(const fsa_t *fsa); void fsa_free(const fsa_t *fsa);
int fsa_add_state(fsa_t *fsa); int fsa_add_state(fsa_t *fsa);
void fsa_add_rule(fsa_t *fsa, int from, int to, int input); void fsa_add_rule(fsa_t *fsa, int from, int to, char input);
#endif #endif