rename: h_seq_index_user -> h_seq_index -> h_seq_index_token

This commit is contained in:
Sven M. Hallberg 2013-01-23 19:06:25 +01:00
parent 2d53a0f873
commit 2c90bd3ef5
2 changed files with 26 additions and 20 deletions

View file

@ -57,7 +57,7 @@ const HParsedToken *h_seq_flatten(HArena *arena, const HParsedToken *p)
case TT_SEQUENCE:
// Flatten and append all.
for(size_t i; i<p->seq->used; i++) {
h_seq_append(ret, h_seq_flatten(arena, h_seq_index(p, i)));
h_seq_append(ret, h_seq_flatten(arena, h_seq_index_token(p, i)));
}
break;
default:
@ -99,16 +99,16 @@ HParsedToken *h_carray_index(const HCountedArray *a, size_t i)
return a->elements[i];
}
HParsedToken *h_seq_index(const HParsedToken *p, size_t i)
HParsedToken *h_seq_index_token(const HParsedToken *p, size_t i)
{
assert(p != NULL);
assert(p->token_type == TT_SEQUENCE);
return h_carray_index(p->seq, i);
}
void *h_seq_index_user(HTokenType type, const HParsedToken *p, size_t i)
void *h_seq_index(HTokenType type, const HParsedToken *p, size_t i)
{
HParsedToken *elem = h_seq_index(p, i);
HParsedToken *elem = h_seq_index_token(p, i);
assert(elem->token_type == (HTokenType)type);
return elem->user;
}

View file

@ -43,34 +43,40 @@ const HParsedToken *h_act_flatten(const HParseResult *p);
// Working with HParsedTokens
//
// Standard short-hand for arena-allocating a variable in a semantic action.
#define H_ALLOC(TYP) \
((TYP *) h_arena_malloc(p->arena, sizeof(TYP)))
// Token constructors...
HParsedToken *h_make(HArena *arena, HTokenType type, void *value);
HParsedToken *h_make_seq(HArena *arena);
#define H_ALLOC(TYP) \
((TYP *) h_arena_malloc(p->arena, sizeof(TYP)))
#define H_MAKE(TYP, VAL) \
h_make(p->arena, TT_ ## TYP, VAL)
// Standard short-hand to make a user-type token.
#define H_MAKE(TYP, VAL) h_make(p->arena, TT_ ## TYP, VAL)
// Sequences...
// Access a sequence element by index.
HParsedToken *h_seq_index_token(const HParsedToken *p, size_t i);
// Access a user-type element of a sequence by index.
#define H_SEQ_INDEX(TYP, SEQ, IDX) \
((TYP *) h_seq_index(TT_ ## TYP, SEQ, IDX))
// Standard short-hand to access a user-type field on a sequence token.
#define H_FIELD(TYP, IDX) H_SEQ_INDEX(TYP, p->ast, IDX)
// Append elements to a sequence.
void h_seq_snoc(HParsedToken *xs, const HParsedToken *x); // append one
void h_seq_append(HParsedToken *xs, const HParsedToken *ys); // append many
// Flatten nested sequences into one.
const HParsedToken *h_seq_flatten(HArena *arena, const HParsedToken *p);
void h_seq_snoc(HParsedToken *xs, const HParsedToken *x);
void h_seq_append(HParsedToken *xs, const HParsedToken *ys);
// Helpers for implementing H_SEQ_INDEX.
void *h_seq_index(HTokenType type, const HParsedToken *p, size_t i); // XXX helper
HParsedToken *h_carray_index(const HCountedArray *a, size_t i); // XXX -> internal
HParsedToken *h_seq_index(const HParsedToken *p, size_t i);
void *h_seq_index_user(HTokenType type, const HParsedToken *p, size_t i);
#define H_SEQ_INDEX(TYP, SEQ, IDX) \
((TYP *) h_seq_index_user(TT_ ## TYP, SEQ, IDX))
#define H_FIELD(TYP, IDX) \
H_SEQ_INDEX(TYP, p->ast, IDX)
#endif