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Initial ability to get state

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This commit is contained in:
Daniel Holden
2014-04-15 12:45:35 +01:00
parent a25dc955a0
commit c74dedbb23
2 changed files with 36 additions and 20 deletions
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55
mpc.c
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@@ -22,6 +22,12 @@ static mpc_state_t mpc_state_new(void) {
return s;
}
static mpc_state_t *mpc_state_copy(mpc_state_t s) {
mpc_state_t *r = malloc(sizeof(mpc_state_t));
memcpy(r, &s, sizeof(mpc_state_t));
return r;
}
/*
** Error Type
*/
@@ -608,28 +614,29 @@ enum {
MPC_TYPE_LIFT = 3,
MPC_TYPE_LIFT_VAL = 4,
MPC_TYPE_EXPECT = 5,
MPC_TYPE_STATE = 6,
MPC_TYPE_SOI = 6,
MPC_TYPE_EOI = 7,
MPC_TYPE_ANY = 8,
MPC_TYPE_SINGLE = 9,
MPC_TYPE_ONEOF = 10,
MPC_TYPE_NONEOF = 11,
MPC_TYPE_RANGE = 12,
MPC_TYPE_SATISFY = 13,
MPC_TYPE_STRING = 14,
MPC_TYPE_SOI = 7,
MPC_TYPE_EOI = 8,
MPC_TYPE_ANY = 9,
MPC_TYPE_SINGLE = 10,
MPC_TYPE_ONEOF = 11,
MPC_TYPE_NONEOF = 12,
MPC_TYPE_RANGE = 13,
MPC_TYPE_SATISFY = 14,
MPC_TYPE_STRING = 15,
MPC_TYPE_APPLY = 15,
MPC_TYPE_APPLY_TO = 16,
MPC_TYPE_PREDICT = 17,
MPC_TYPE_NOT = 18,
MPC_TYPE_MAYBE = 19,
MPC_TYPE_MANY = 20,
MPC_TYPE_MANY1 = 21,
MPC_TYPE_COUNT = 22,
MPC_TYPE_APPLY = 16,
MPC_TYPE_APPLY_TO = 17,
MPC_TYPE_PREDICT = 18,
MPC_TYPE_NOT = 19,
MPC_TYPE_MAYBE = 20,
MPC_TYPE_MANY = 21,
MPC_TYPE_MANY1 = 22,
MPC_TYPE_COUNT = 23,
MPC_TYPE_OR = 23,
MPC_TYPE_AND = 24
MPC_TYPE_OR = 24,
MPC_TYPE_AND = 25
};
typedef struct { char *m; } mpc_pdata_fail_t;
@@ -932,7 +939,8 @@ int mpc_parse_input(mpc_input_t *i, mpc_parser_t *init, mpc_result_t *final) {
case MPC_TYPE_FAIL: MPC_FAILURE(mpc_err_fail(i->filename, i->state, p->data.fail.m));
case MPC_TYPE_LIFT: MPC_SUCCESS(p->data.lift.lf());
case MPC_TYPE_LIFT_VAL: MPC_SUCCESS(p->data.lift.x);
case MPC_TYPE_STATE: MPC_SUCCESS(mpc_state_copy(i->state));
/* Basic Parsers */
case MPC_TYPE_SOI: MPC_PRIMATIVE(NULL, mpc_input_soi(i));
@@ -1368,6 +1376,12 @@ mpc_parser_t *mpc_lift(mpc_ctor_t lf) {
return p;
}
mpc_parser_t *mpc_state(void) {
mpc_parser_t *p = mpc_undefined();
p->type = MPC_TYPE_STATE;
return p;
}
mpc_parser_t *mpc_expect(mpc_parser_t *a, const char *expected) {
mpc_parser_t *p = mpc_undefined();
p->type = MPC_TYPE_EXPECT;
@@ -2222,6 +2236,7 @@ static void mpc_print_unretained(mpc_parser_t *p, int force) {
if (p->type == MPC_TYPE_PASS) { printf("<:>"); }
if (p->type == MPC_TYPE_FAIL) { printf("<!>"); }
if (p->type == MPC_TYPE_LIFT) { printf("<#>"); }
if (p->type == MPC_TYPE_STATE) { printf("<S#>"); }
if (p->type == MPC_TYPE_EXPECT) {
printf("%s", p->data.expect.m);
/*mpc_print_unretained(p->data.expect.x, 0);*/

1
mpc.h
View File

@@ -91,6 +91,7 @@ mpc_parser_t *mpc_fail(const char *m);
mpc_parser_t *mpc_failf(const char *fmt, ...);
mpc_parser_t *mpc_lift(mpc_ctor_t f);
mpc_parser_t *mpc_lift_val(mpc_val_t *x);
mpc_parser_t *mpc_state(void);
mpc_parser_t *mpc_any(void);
mpc_parser_t *mpc_char(char c);